M. O'Brien

Cancer of the colon and rectum: current concepts of aetiology and pathogenesis.

M. O'Brien, 1988, Irish journal of medical science.

Comparison of lignocaine and water‐based lubricating gels for female urethral catheterization: A randomized controlled trial

M. O'Brien, R. Paoloni, M. Chu, 2007, Emergency medicine Australasia : EMA.

Prevention of colorectal cancer by colonoscopic polypectomy. The National Polyp Study Workgroup.

A. Zauber, S. Winawer, M. N. Ho, 1993, The New England journal of medicine.