K. Oien

Effects of laparoscopy on intraperitoneal tumor growth and distant metastases in an animal model.

P. O’Dwyer, P J O'Dwyer, H R Dorrance, 1999, Surgery.

Frequency of early colorectal cancer in patients undergoing colonoscopy

K. Oien, P. O’Dwyer, G. A. Smith, 1999, The British journal of surgery.

Endorectal ultrasound and magnetic resonance imaging for staging of early rectal cancers: how well does it work in practice?

F. Pfeffer, K. Nylund, J. Waage, 2019, Acta oncologica.

Acquired abnormalities of the biliary tract from chronic gallstone disease.

P. O’Dwyer, A. Hair, H. Dorrance, 1999, Journal of the American College of Surgeons.