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- [1] Lower dietary mineral intake is significantly associated with cervical cancer risk in a population-based cross-sectional studyJOURNAL OF CANCER, 2021, 12 (01): : 111 - 123Wang, Zhe论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaWang, Wenhao论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaYang, Aimin论文数: 0 引用数: 0 h-index: 0机构: Chinese Univ Hong Kong, Hong Kong Inst Diabet & Obes, Hong Kong, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaZhao, Weihong论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaYang, Jing论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaWang, Zhilian论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaWang, Wei论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaSu, Xiaoqiang论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaWang, Jintao论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Sch Publ Hlth, Dept Epidemiol, Hohhot, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaSong, Jinghui论文数: 0 引用数: 0 h-index: 0机构: Inner Mongolia Med Univ, Dept Obstet & Gynecol, Affiliated Hosp, Hohhot, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaLi, Li论文数: 0 引用数: 0 h-index: 0机构: Guangxi Med Univ, Dept Obstet & Gynecol, Affiliated Tumor Hosp, Nanning, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaLv, Weiguo论文数: 0 引用数: 0 h-index: 0机构: Zhejiang Univ, Womens Hosp, Sch Med, Dept Gynecol Oncol, Hangzhou, Zhejiang, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaLi, Dongyan论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaLiu, Huiqiang论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaWang, Chen论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Pathol, Hosp 2, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R ChinaHao, Min论文数: 0 引用数: 0 h-index: 0机构: Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China Shanxi Med Univ, Dept Obstet & Gynecol, Hosp 2, 382 Wuyi Rd, Taiyuan 030001, Shanxi, Peoples R China
- [2] Association of dietary flavonoid intake with reproductive lifespan: a cross-sectional studyEUROPEAN JOURNAL OF NUTRITION, 2025, 64 (03)Liu, Lu论文数: 0 引用数: 0 h-index: 0机构: Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R China Shandong Second Med Univ, Sch Clin Med, Weifang, Shandong, Peoples R China Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R ChinaWei, Ran论文数: 0 引用数: 0 h-index: 0机构: Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R China Shandong Second Med Univ, Sch Clin Med, Weifang, Shandong, Peoples R China Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R ChinaTang, Yujie论文数: 0 引用数: 0 h-index: 0机构: Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R China Shandong Second Med Univ, Sch Clin Med, Weifang, Shandong, Peoples R China Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R ChinaZhang, Xuemei论文数: 0 引用数: 0 h-index: 0机构: Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R China Shandong Second Med Univ, Sch Clin Med, Weifang, Shandong, Peoples R China Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R ChinaZhao, Runze论文数: 0 引用数: 0 h-index: 0机构: Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R China Shandong Second Med Univ, Sch Clin Med, Weifang, Shandong, Peoples R China Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R ChinaLu, Chao论文数: 0 引用数: 0 h-index: 0机构: Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R China Shandong Second Med Univ, Sch Clin Med, Weifang, Shandong, Peoples R China Shandong Second Med Univ, Affiliated Hosp, Dept Reprod Med, Weifang 261000, Shandong, Peoples R China
- [3] Dietary tryptophan and bone health: a cross-sectional, population-based studyARCHIVES OF OSTEOPOROSIS, 2020, 15 (01)Cleminson, Jasmine R.论文数: 0 引用数: 0 h-index: 0机构: Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, Australia Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, AustraliaStuart, Amanda L.论文数: 0 引用数: 0 h-index: 0机构: Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, Australia Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, AustraliaPasco, Julie A.论文数: 0 引用数: 0 h-index: 0机构: Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, Australia Univ Melbourne, Dept Med Western Hlth, Western Ctr Hlth Res & Educ WCHRE Bldg, Level 3-176 Furlong Rd, St Albans, Vic 3021, Australia Univ Hosp Geelong, Barwon Hlth, 285 Ryrie St, Geelong, Vic 3220, Australia Monash Univ, Dept Epidmiol & Prevent Med, 553 St Kilda Rd, Melbourne, Vic 3004, Australia Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, AustraliaHodge, Jason M.论文数: 0 引用数: 0 h-index: 0机构: Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, Australia Univ Hosp Geelong, Barwon Hlth, 285 Ryrie St, Geelong, Vic 3220, Australia Univ Hosp Geelong, Geelong Centre Emerging Infect Dis, 285 Ryrie St, Geelong, Vic 3220, Australia Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, AustraliaBerk, Michael论文数: 0 引用数: 0 h-index: 0机构: Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, Australia Univ Hosp Geelong, Barwon Hlth, 285 Ryrie St, Geelong, Vic 3220, Australia Univ Melbourne, Royal Melbourne Hosp, Florey Inst Neurosci & Mental Hlth, Dept Psychiat,Natl Ctr Excellence Youth Mental Hl, Parkville, Vic 3052, Australia Orygen, 35 Poplar Rd, Parkville, Vic 3052, Australia Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, AustraliaSamarasinghe, Rasika M.论文数: 0 引用数: 0 h-index: 0机构: Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, Australia Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, AustraliaWilliams, Lana J.论文数: 0 引用数: 0 h-index: 0机构: Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, Australia Univ Hosp Geelong, Barwon Hlth, 285 Ryrie St, Geelong, Vic 3220, Australia Deakin Univ, Univ Hosp Geelong, Inst Innovat Phys & Mental Hlth & Clin Translat, Sch Med,IMPACT, 285 Ryrie St, Geelong, Vic 3220, Australia
- [4] Dietary tryptophan and bone health: a cross-sectional, population-based studyArchives of Osteoporosis, 2020, 15Jasmine R. Cleminson论文数: 0 引用数: 0 h-index: 0机构: Deakin University,School of Medicine, IMPACT, Institute for Innovation in Physical and Mental Health and Clinical TranslationAmanda L. Stuart论文数: 0 引用数: 0 h-index: 0机构: Deakin University,School of Medicine, IMPACT, Institute for Innovation in Physical and Mental Health and Clinical TranslationJulie A. Pasco论文数: 0 引用数: 0 h-index: 0机构: Deakin University,School of Medicine, IMPACT, Institute for Innovation in Physical and Mental Health and Clinical TranslationJason M. Hodge论文数: 0 引用数: 0 h-index: 0机构: Deakin University,School of Medicine, IMPACT, Institute for Innovation in Physical and Mental Health and Clinical TranslationMichael Berk论文数: 0 引用数: 0 h-index: 0机构: Deakin University,School of Medicine, IMPACT, Institute for Innovation in Physical and Mental Health and Clinical TranslationRasika M. Samarasinghe论文数: 0 引用数: 0 h-index: 0机构: Deakin University,School of Medicine, IMPACT, Institute for Innovation in Physical and Mental Health and Clinical TranslationLana J. Williams论文数: 0 引用数: 0 h-index: 0机构: Deakin University,School of Medicine, IMPACT, Institute for Innovation in Physical and Mental Health and Clinical Translation
- [5] Dietary flavonoid intake and cardiovascular risk: a population-based cohort studyJournal of Translational Medicine, 13Valentina Ponzo论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical SciencesIlaria Goitre论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical SciencesMaurizio Fadda论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical SciencesRoberto Gambino论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical SciencesAntonella De Francesco论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical SciencesLaura Soldati论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical SciencesLuigi Gentile论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical SciencesPaola Magistroni论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical SciencesMaurizio Cassader论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical SciencesSimona Bo论文数: 0 引用数: 0 h-index: 0机构: University of Turin,Department of Medical Sciences
- [6] Dietary Flavonoid Intake and Cancer Mortality: A Population-Based Cohort StudyNUTRIENTS, 2023, 15 (04)Zhou, Yanjun论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Affiliated Hosp, Dept Radiotherapy & Oncol, Wuxi 214062, Peoples R China Jiangnan Univ, Affiliated Hosp, Dept Radiotherapy & Oncol, Wuxi 214062, Peoples R ChinaGu, Ke论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Affiliated Hosp, Dept Radiotherapy & Oncol, Wuxi 214062, Peoples R China Jiangnan Univ, Affiliated Hosp, Dept Radiotherapy & Oncol, Wuxi 214062, Peoples R ChinaZhou, Fengying论文数: 0 引用数: 0 h-index: 0机构: Jiangnan Univ, Womens Hosp, Wuxi Maternal & Child Hlth Hosp, Dept Breast Dis, Wuxi 214000, Peoples R China Jiangnan Univ, Affiliated Hosp, Dept Radiotherapy & Oncol, Wuxi 214062, Peoples R China
- [7] Dietary flavonoid intake and cardiovascular risk: a population-based cohort studyJOURNAL OF TRANSLATIONAL MEDICINE, 2015, 13Ponzo, Valentina论文数: 0 引用数: 0 h-index: 0机构: Univ Turin, Dept Med Sci, I-10126 Turin, Italy Univ Turin, Dept Med Sci, I-10126 Turin, ItalyGoitre, Ilaria论文数: 0 引用数: 0 h-index: 0机构: Univ Turin, Dept Med Sci, I-10126 Turin, Italy Univ Turin, Dept Med Sci, I-10126 Turin, ItalyFadda, Maurizio论文数: 0 引用数: 0 h-index: 0机构: Citta Salute & Sci Hosp Turin, Unit Clin Nutr, Turin, Italy Univ Turin, Dept Med Sci, I-10126 Turin, ItalyGambino, Roberto论文数: 0 引用数: 0 h-index: 0机构: Univ Turin, Dept Med Sci, I-10126 Turin, Italy Univ Turin, Dept Med Sci, I-10126 Turin, ItalyDe Francesco, Antonella论文数: 0 引用数: 0 h-index: 0机构: Citta Salute & Sci Hosp Turin, Unit Clin Nutr, Turin, Italy Univ Turin, Dept Med Sci, I-10126 Turin, ItalySoldati, Laura论文数: 0 引用数: 0 h-index: 0机构: Univ Milan, Dept Hlth Sci, Milan, Italy Univ Turin, Dept Med Sci, I-10126 Turin, ItalyGentile, Luigi论文数: 0 引用数: 0 h-index: 0机构: Hosp Asti, Diabet Clin, Asti, Italy Univ Turin, Dept Med Sci, I-10126 Turin, ItalyMagistroni, Paola论文数: 0 引用数: 0 h-index: 0机构: Citta Salute & Sci Hosp Turin, Immunogenet & Transplant Biol, Turin, Italy Univ Turin, Dept Med Sci, I-10126 Turin, ItalyCassader, Maurizio论文数: 0 引用数: 0 h-index: 0机构: Univ Turin, Dept Med Sci, I-10126 Turin, Italy Univ Turin, Dept Med Sci, I-10126 Turin, ItalyBo, Simona论文数: 0 引用数: 0 h-index: 0机构: Univ Turin, Dept Med Sci, I-10126 Turin, Italy Univ Turin, Dept Med Sci, I-10126 Turin, Italy
- [8] Dietary Selenium Intake and Type-2 Diabetes: A Cross-Sectional Population-Based Study on CUME ProjectFRONTIERS IN NUTRITION, 2021, 8Dias, Joao Pedro Viana论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Vales Jequitinhonha & Mucuri, Fac Biol & Hlth Sci, Dept Nutr, Diamantina, Brazil Univ Fed Vales Jequitinhonha & Mucuri, Fac Biol & Hlth Sci, Dept Nutr, Diamantina, BrazilCosta Sobrinho, Paulo de Souza论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Vales Jequitinhonha & Mucuri, Fac Biol & Hlth Sci, Dept Nutr, Diamantina, Brazil Univ Fed Vales Jequitinhonha & Mucuri, Fac Biol & Hlth Sci, Dept Nutr, Diamantina, BrazilPimenta, Adriano Marcal论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Minas Gerais, Sch Nursing, Dept Maternal & Child Nursing & Publ Hlth, Belo Horizonte, MG, Brazil Univ Fed Vales Jequitinhonha & Mucuri, Fac Biol & Hlth Sci, Dept Nutr, Diamantina, BrazilHermsdorff, Helen Hermana Miranda论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Vicosa, Dept Nutr & Hlth, Vicosa, MG, Brazil Univ Fed Vales Jequitinhonha & Mucuri, Fac Biol & Hlth Sci, Dept Nutr, Diamantina, BrazilBressan, Josefina论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Vicosa, Dept Nutr & Hlth, Vicosa, MG, Brazil Univ Fed Vales Jequitinhonha & Mucuri, Fac Biol & Hlth Sci, Dept Nutr, Diamantina, BrazilNobre, Luciana Neri论文数: 0 引用数: 0 h-index: 0机构: Univ Fed Vales Jequitinhonha & Mucuri, Fac Biol & Hlth Sci, Dept Nutr, Diamantina, Brazil Univ Fed Vales Jequitinhonha & Mucuri, Fac Biol & Hlth Sci, Dept Nutr, Diamantina, Brazil
- [9] Effect of Dietary Flavonoids on Circadian Syndrome: A Population-Based Cross-Sectional StudyMETABOLIC SYNDROME AND RELATED DISORDERS, 2024, 22 (05) : 385 - 393Li, Jingkai论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ Tradit Chinese Med, Coll Med, Jinan, Peoples R China Shandong Univ Tradit Chinese Med, Coll Med, Jinan 250355, Peoples R China Shandong Univ Tradit Chinese Med, Coll Med, Jinan, Peoples R ChinaShi, Huishan论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ Tradit Chinese Med, Coll Med, Jinan, Peoples R China Shandong Univ Tradit Chinese Med, Coll Med, Jinan, Peoples R ChinaWang, Lingyun论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ Tradit Chinese Med, Coll Med, Jinan, Peoples R China Shandong Univ Tradit Chinese Med, Coll Med, Jinan, Peoples R ChinaHe, Naifeng论文数: 0 引用数: 0 h-index: 0机构: Shandong Univ Tradit Chinese Med, Sch Hlth, Jinan, Peoples R China Shandong Univ Tradit Chinese Med, Sch Hlth, Jinan 250355, Peoples R China Shandong Univ Tradit Chinese Med, Coll Med, Jinan, Peoples R China
- [10] Dietary habits among snus users: a population-based cross-sectional studyFOOD & NUTRITION RESEARCH, 2023, 67Berglund, Fanny论文数: 0 引用数: 0 h-index: 0机构: Dept Hlth & Med Serv, Lulea, Sweden Dept Hlth & Med Serv, Lulea, SwedenTorma, Johanna论文数: 0 引用数: 0 h-index: 0机构: Dept Hlth & Med Serv, Lulea, Sweden Uppsala Univ, Dept Publ Hlth & Caring Sci, Uppsala, Sweden Dept Hlth & Med Serv, Lulea, SwedenWennberg, Maria论文数: 0 引用数: 0 h-index: 0机构: Umea Univ, Dept Publ Hlth & Clin Med, Umea, Sweden Dept Hlth & Med Serv, Lulea, SwedenWennberg, Patrik论文数: 0 引用数: 0 h-index: 0机构: Umea Univ, Dept Publ Hlth & Clin Med, Umea, Sweden Dept Hlth & Med Serv, Lulea, SwedenOskarsson, Viktor论文数: 0 引用数: 0 h-index: 0机构: Umea Univ, Dept Publ Hlth & Clin Med, Umea, Sweden Umea Univ, Dept Publ Hlth & Clin Med, Sect Med, Pitea Res Unit, SE-90187 Umea, Sweden Dept Hlth & Med Serv, Lulea, Sweden