P. Nystrom

Patient to surgeon infections—fact or fiction

D. Wittmann, P. Nystrom, 2003, The British journal of surgery.

A comparison of risks and outcomes for patients with organ system failure: 1982-1990.

W. Knaus, D. Wagner, J. Zimmerman, 1996, Critical care medicine.

Indications for operation in suspected appendicitis and incidence of perforation

R. Andersson, G. Olaison, A. Thulin, 1994, BMJ.

for Treatment ofIntra-Abdominal Infections

P. Nystrom, 1992 .

Persistent pain and faecal urgency after stapled haemorrhoidectomy

M. Kamm, R. Phillips, M. Cheetham, 2000, The Lancet.

Severity Scoring and Prediction of Patient Outcome

W. Knaus, P. Nystrom, 1992 .