The following text word search terms were used:
Randomized AND “prospective” AND “postoperative analgesia” AND “clinical” AND “trial” AND “pain” AND “patient” AND “surgery” AND “acetaminophen” OR “paracetamol” NOT “spectrometry” NOT “cytokine” NOT “receptor” NOT “children” NOT “damage” NOT “overdose” NOT “temperature” NOT “suicide” NOT “hepatocyte” NOT “bioavailability” NOT “oral paracetamol” NOT “neonatal” NOT “osteoarthritis” NOT “oral propacetamol” NOT “propacetamol.”