title: Issues in carrying out epidemiologic research in the elderly.
authors.affiliation: Division of Epidemiology, Columbia University School of Public Health, New York, NY.
authors.forename: J L
authors.initials: JL
authors.lastname: Kelsey
authors.forename: L A
authors.initials: LA
authors.lastname: O'Brien
authors.forename: J A
authors.initials: JA
authors.lastname: Grisso
authors.forename: S
authors.initials: S
authors.lastname: Hoffman
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D016022:Case-Control Studies; D004812:Epidemiologic Methods; D005260:Female; D006620:Hip Fractures / Q000453:epidemiology* / Q000208:ethnology; D006801:Humans; D007407:Interviews as Topic; D009519:New York City; D009735:Nursing Homes; D010349:Patient Compliance; D010414:Pennsylvania; D012107:Research Design; D011795:Surveys and Questionnaires