Colorectal cancer screening.
Lewis
Carmen
C
University of North Carolina at Chapel Hill, USA.
D001466:Barium Sulfate; D003113:Colonoscopy; D015179:Colorectal Neoplasms / Q000517:prevention & control*; D004733:Enema; D006801:Humans; D008403:Mass Screening; D009780:Occult Blood; D012812:Sigmoidoscopy
D001466:Barium Sulfate