title: Proceedings: The effect of age on plasma pethidine concentrations.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000700:Analgesics / Q000008:administration & dosage; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007273:Injections, Intramuscular; D007275:Injections, Intravenous; D008614:Meperidine / Q000097:blood*; D011182:Postoperative Care; D011485:Protein Binding
chemical_list: D000700:Analgesics; D008614:Meperidine