title: PCA vs. regular IM injections for severe postop pain.
authors: College of Pharmacy, University of Iowa, Iowa City.
authors: R L
authors: RL
authors: Kleiman
authors: A G
authors: AG
authors: Lipman
authors: B D
authors: BD
authors: Hare
authors: S D
authors: SD
authors: MacDonald
mesh_terms: D000700:Analgesics / Q000008:administration & dosage*; D006801:Humans; D007260:Infusion Pumps; D007273:Injections, Intramuscular; D010149:Postoperative Pain / Q000188:drug therapy*; D011897:Random Allocation; D012646:Self Administration / Q000379:methods*
chemical_list: D000700:Analgesics