Long-term efficacy of sigmoidoscopy in the reduction of colorectal cancer incidence.

Authors Newcomb PA, Storer B, Morimoto LM, et al.
Citation J Natl Cancer Inst. 2003 Apr 16;95(8):622-5.
PubMedLink https://pubmed.ncbi.nlm.nih.gov/12697855/
PMCID NA