Acetaminophen (Paracetamol) or Opioid Analgesia Added to Ibuprofen for Children's Musculoskeletal Injury: Two Randomized Clinical Trials. - Ali S; Klassen TP; Candelaria P; Bhatt M; Sawyer S; Stang A; Yaskina M; Heath A; Pechlivanoglou P; Offringa M; Drendel AL; Hickes S; et al. (JAMA, 2026)