title: Effect of intramuscular injections on serum creatine phosphokinase.
mesh_terms: D000328:Adult; D004796:Clinical Enzyme Tests; D003402:Creatine Kinase / Q000097:blood*; D006801:Humans; D007273:Injections, Intramuscular; D008297:Male; D008614:Meperidine / Q000008:administration & dosage
chemical_list: D008614:Meperidine; D003402:Creatine Kinase