共 29 条
[4]
A NEW METHOD OF CLASSIFYING PROGNOSTIC CO-MORBIDITY IN LONGITUDINAL-STUDIES - DEVELOPMENT AND VALIDATION
[J].
JOURNAL OF CHRONIC DISEASES,
1987, 40 (05)
:373-383
[6]
Do depressive symptoms predict declines in physical performance in an elderly, biracial population?
[J].
PSYCHOSOMATIC MEDICINE,
2005, 67 (04)
:609-615
[7]
A little exercise
[J].
JOURNALS OF GERONTOLOGY SERIES A-BIOLOGICAL SCIENCES AND MEDICAL SCIENCES,
2006, 61 (11)
:1154-1156