Correction to: Analgesic effect of oral paracetamol 1000 mg/ibuprofen 400 mg, paracetamol 1000 mg/codeine 60 mg, paracetamol 1000 mg/ibuprofen 400 mg/codeine 60 mg, or placebo on acute postoperative pain: a single‑dose, randomized, and double‑blind study
1 Section of Dental Pharmacology and Pharmacotherapy, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Blindern, P. O. Box 1119, N‑0317, Oslo, Norway. gaute.lyngstad@odont.uio.no.
2 Department of Maxillofacial Surgery, Oslo University Hospital, Nydalen, P. O. Box 4950, N‑0424, Oslo, Norway.
3 Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Blindern, P.O. Box 1122, N‑0317, Oslo, Norway.
4 Section of Dental Pharmacology and Pharmacotherapy, Institute of Clinical Dentistry, Faculty of Dentistry, University of Oslo, Blindern, P. O. Box 1119, N‑0317, Oslo, Norway.