Cephalosporins in the treatment of pneumonias.
D002511:Cephalosporins / Q000627:therapeutic use*; D003365:Costs and Cost Analysis; D004358:Drug Therapy / Q000191:economics*; D006760:Hospitalization; D006801:Humans; D011014:Pneumonia / Q000188:drug therapy*
D002511:Cephalosporins