共 21 条
- [3] A NEW METHOD OF CLASSIFYING PROGNOSTIC CO-MORBIDITY IN LONGITUDINAL-STUDIES - DEVELOPMENT AND VALIDATION [J]. JOURNAL OF CHRONIC DISEASES, 1987, 40 (05): : 373 - 383
- [9] Frailty in older adults: Evidence for a phenotype [J]. JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES, 2001, 56 (03): : M146 - M156