the effect of peroral n-acetylcysteine ( nac ) in patients with cystic fibrosis ( cf ) and chronic pulmonary pseudomonas aeruginosa infection was studied in 52 patients in a double-blind , placebo-controlled , cross-over trial of two , 3 month durations .
C0001047
n-acetylcysteine
C0010674
cystic fibrosis