Advances in screening for colorectal cancer.
Mandel
J S
JS
School of Public Health-Environmental & Occupational Health, University of Minnesota, Delaware SE, Minneapolis 55455, USA.
D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000175:diagnosis*; D006801:Humans; D009780:Occult Blood; D012812:Sigmoidoscopy