Karvonen S, Salomaki T, Olkkola KT. Efficacy of oral paracetamol and ketoprofen for pain management after major orthopedic surgery. Methods Find Exp Clin Pharmacol 30(9): 703-6, 2008 DOI: 10.1358/mf.2008.30.9.1316919.

PubMed ID: PM:19229379