Effect of occupational and recreational activity on the risk of colorectal cancer among males: a case-control study.
F C
FC
Garland
E D
ED
Gorham
C F
CF
Garland
D016022:Case-Control Studies; D015179:Colorectal Neoplasms / Q000453:epidemiology* / Q000517:prevention & control*; D006801:Humans; D008297:Male; D009790:Occupations; D011998:Recreation; D012307:Risk Factors