SELF-ASSESSMENT OF HEALTH STATUS: A LONGITUDINAL STUDY OF SELECTED ELDERLY SUBJECTS.
D000368:Aged; D035843:Biomedical Research; D005853:Geriatrics; D006262:Health; D006304:Health Status; D006801:Humans; D008137:Longitudinal Studies; D009013:Morale; D012647:Self-Assessment; D012924:Social Conditions
CLINICAL RESEARCH; GERIATRICS; HEALTH; MORALE; SOCIAL CONDITIONS