an open randomised comparison of a new intravenous cephalosporin , ceftazidime , with the established regimen of gentamicin and carbenicillin was carried out in patients with cystic fibrosis who had persisting pulmonary infection with pseudomonas species and who developed acute exacerbations of respiratory symptoms .
C3536856
cephalosporin
C0007559
ceftazidime