How should we screen for colorectal cancer?
Selby
J V
JV
D015179:Colorectal Neoplasms / Q000517:prevention & control*; D003955:Diagnostic Tests, Routine / Q000592:standards; D006801:Humans; D008403:Mass Screening / Q000592:standards*; D009780:Occult Blood; D012680:Sensitivity and Specificity; D012812:Sigmoidoscopy