title: Effects of some beta-lactam antibiotics on the morphology of some beta-lactamase and non-beta-lactamase producing strains of gram negative bacteria.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D002509:Cephaloridine / Q000494:pharmacology*; D002511:Cephalosporins / Q000494:pharmacology*; D004755:Enterobacteriaceae / Q000166:cytology* / Q000187:drug effects / Q000201:enzymology; D004926:Escherichia coli / Q000166:cytology* / Q000187:drug effects / Q000201:enzymology; D014644:Genetic Variation; D007709:Klebsiella / Q000166:cytology* / Q000187:drug effects / Q000201:enzymology; D010405:Penicillinase / Q000096:biosynthesis
chemical_list: D002511:Cephalosporins; D000667:Ampicillin; D010405:Penicillinase; D002509:Cephaloridine