Methodological issues in aging research.
Balazs
A L
AL
University of Massachusetts at Amherst.
Gruca
T S
TS
Schewe
C D
CD
D000368:Aged / Q000523:psychology*; D006299:Health Services for the Aged; D006315:Hearing Loss, Functional; D006801:Humans; D008389:Marketing of Health Services / Q000379:methods*; D012107:Research Design; D014481:United States; D014786:Vision Disorders