共 47 条
- [1] [Anonymous], 2017, NUTR EXCL BREASTF
- [2] [Anonymous], 2011, SURG GEN CALL ACTIO
- [3] Racial and Geographic Differences in Breastfeeding - United States, 2011-2015 [J]. MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT, 2017, 66 (27): : 723 - 727
- [7] Racial Disparities in Breastfeeding Initiation and Duration Among US Infants Born in 2015 [J]. MMWR-MORBIDITY AND MORTALITY WEEKLY REPORT, 2019, 68 (34): : 745 - 748
- [8] Primary Care Interventions to Support Breastfeeding US Preventive Services Task Force Recommendation Statement [J]. JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 2016, 316 (16): : 1688 - 1693
- [10] An audit of sample sizes for pilot and feasibility trials being undertaken in the United Kingdom registered in the United Kingdom Clinical Research Network database [J]. BMC MEDICAL RESEARCH METHODOLOGY, 2013, 13