a total of 152 patients were treated at a single center in a single-dose , double-blind parallel study designed to compare the safety and efficacy of 25 , 50 , and 100 mg ketoprofen to 90 mg codeine and placebo in patients with moderate to severe postpartum pain ( i.e. , postepisiotomy , uterine cramping , or cesarean section pain ) .
C0009214
codeine
C0030193
pain