title: Molecular characterization of a plasmid specifying ampicillin resistance and its relationship to other R factors from Haemophilus influenzae.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D003596:Cytosine / Q000032:analysis; D004269:DNA, Bacterial; D006147:Guanine / Q000032:analysis; D006193:Haemophilus influenzae / Q000187:drug effects / Q000201:enzymology / Q000235:genetics*; D009693:Nucleic Acid Hybridization; D010403:Penicillin Resistance; D010405:Penicillinase / Q000096:biosynthesis; D010957:Plasmids; D011815:R Factors; D014169:Transformation, Bacterial
chemical_list: D004269:DNA, Bacterial; D006147:Guanine; D000667:Ampicillin; D003596:Cytosine; D010405:Penicillinase