Letter: Sensitivity of Haemophilus influenzae to cephalosporins.
D002511:Cephalosporins / Q000627:therapeutic use*; D006192:Haemophilus Infections / Q000188:drug therapy*; D006193:Haemophilus influenzae / Q000187:drug effects; D006801:Humans; D008826:Microbial Sensitivity Tests
D002511:Cephalosporins