Answers are grounded in this paper and cite their sources.
R J Nicholls, S Dubé; The extent of examination by rigid sigmoidoscopy, British Journal of Surgery, Volume 69, Issue 7, 1 July 1982, Pages 438, https://doi
No takes yet. Share an insight, caveat, or question.
Nicholls et al. (1982) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: