in a randomized , double-blind study , 131 consecutive patients , subjected to elective upper laparotomy , were prophylactically given the recommended dose of n-acetylcysteine ( nac ) ( mucomyst , astra ) ( 200 mg x 3 ) or placebo against postoperative pulmonary complications .
C0001047
n-acetylcysteine
C0699252
mucomyst