control study of screening sigmoidoscopy and mortality from colo- 14. Rex DK. Colonoscopy: a review of its yield for cancers and adeno-
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B. Levin | G. Chejfec | S. Winawer | L. Gottlieb | J. Waye | J. Panish | S. Sontag | P. Rozen | M. Brown | Flehinger Bj | Surawicz Ts | Smith Jj | C. Ow | Helper Dj | Murphy B. Revision | Kwok Py | Gottlieb Kt | L. Hornsby-Lewis | Wieand Hs | Loprinzi Cl | K. Pandya | Wagner Jl | S. Tunis | A. Ching | Almeida R. Cost-effective