Recontacting study participants in epidemiologic research.
Severson
R K
RK
Program in Epidemiology, Fred Hutchinson Cancer Research Center, Seattle, WA.
Heuser
L
L
Davis
S
S
D000328:Adult; D000368:Aged; D001290:Attitude; D003625:Data Collection; D004812:Epidemiologic Methods; D005260:Female; D006801:Humans; D007938:Leukemia / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D012907:Smoking / Q000009:adverse effects*