Comparative susceptibility of Haemophilus species to cefaclor, cefamandole, and five other cephalosporins and ampicillin, chloramphenicol, and tetracycline

Comparative susceptibility of Haemophilus species to cefaclor, cefamandole, and five other cephalosporins and ampicillin, chloramphenicol, and tetracycline