twenty-five patients received 10 ml co-trimoxazole ( 800 mg sulphamethoxazole and 160 mg trimethoprim ) and 25 a placebo by intravenous infusion during one hour from the commencement of surgery for vaginal hysterectomy with anterior colporrhaphy and posterior colpo-perineorrhaphy .
C0041044
co-trimoxazole
C0041041
trimethoprim