title: Relationship between beta-lactamase production by Haemophilus influenzae and sensitivities to penicillins and cephalosporins.
mesh_terms: D000581:Amidohydrolases / Q000096:biosynthesis*; D000900:Anti-Bacterial Agents / Q000378:metabolism; D002510:Cephalosporinase / Q000096:biosynthesis* / Q000378:metabolism; D002511:Cephalosporins / Q000494:pharmacology*; D006193:Haemophilus influenzae / Q000187:drug effects / Q000201:enzymology*; D006868:Hydrolysis; D008826:Microbial Sensitivity Tests; D010405:Penicillinase / Q000096:biosynthesis*; D010406:Penicillins / Q000494:pharmacology*
chemical_list: D000900:Anti-Bacterial Agents; D002511:Cephalosporins; D010406:Penicillins; D000581:Amidohydrolases; D002510:Cephalosporinase; D010405:Penicillinase