Sigmoidoscopic screening in the 1990s.
Ransohoff
D F
DF
Department of Medicine, School of Medicine, University of North Carolina, Chapel Hill 27599-7105.
Lang
C A
CA
D015179:Colorectal Neoplasms / Q000517:prevention & control*; D003955:Diagnostic Tests, Routine / Q000592:standards; D006801:Humans; D008403:Mass Screening / Q000592:standards* / Q000639:trends; D012812:Sigmoidoscopy / Q000592:standards* / Q000706:statistics & numerical data; D013673:Technology Assessment, Biomedical; D014481:United States