title: A comparative study of tramadol and pethidine in laparoscopic interval sterilization.
mesh_terms: D000328:Adult; D000698:Analgesia; D002986:Clinical Trials as Topic; D003511:Cyclohexanols / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D008614:Meperidine / Q000009:adverse effects / Q000627:therapeutic use*; D009325:Nausea / Q000139:chemically induced; D013246:Sterilization, Tubal / Q000379:methods*; D014147:Tramadol / Q000009:adverse effects / Q000627:therapeutic use*; D014839:Vomiting / Q000139:chemically induced
chemical_list: D003511:Cyclohexanols; D014147:Tramadol; D008614:Meperidine