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.
Lasse A SkoglundPer SkjelbredDavid Michael SwansonLasse Ansgar SkoglundPublished in: European journal of clinical pharmacology (2023)
ClinicalTrials.gov June 2009 NCT00921700.