Selection of populations and samples in the design of epidemiological studies of cataract.
Guest
C S
CS
Department of Ophthalmology, University of Melbourne, Australia.
D001315:Australia / Q000453:epidemiology; D002386:Cataract / Q000453:epidemiology*; D004812:Epidemiologic Methods; D006801:Humans; D018579:Patient Selection; D011153:Population; D012494:Sampling Studies