Epidemiological studies in nutrition: utility and limitations.
Johansen
H L
HL
Health Promotion Directorate, Health and Welfare, Tanney's Pasture, Ottawa, Ontario, Canada.
Neutel
C I
CI
D000328:Adult; D000368:Aged; D004032:Diet; D004812:Epidemiologic Methods; D006801:Humans; D008297:Male; D008875:Middle Aged; D009747:Nutritional Physiological Phenomena; D012107:Research Design; D013223:Statistics as Topic