title: [Development of resistance to ampicillin in gram negative microorganisms in vitro].
mesh_terms: D000667:Ampicillin / Q000494:pharmacology*; D002701:Chloramphenicol / Q000494:pharmacology*; D004926:Escherichia coli / Q000187:drug effects* / Q000302:isolation & purification; D004927:Escherichia coli Infections / Q000382:microbiology; D006801:Humans; D066298:In Vitro Techniques; D008826:Microbial Sensitivity Tests; D010400:Penicillin G / Q000494:pharmacology*; D010403:Penicillin Resistance; D010405:Penicillinase / Q000096:biosynthesis; D011511:Proteus / Q000187:drug effects* / Q000201:enzymology / Q000302:isolation & purification; D011512:Proteus Infections / Q000382:microbiology; D011552:Pseudomonas Infections / Q000382:microbiology; D011550:Pseudomonas aeruginosa / Q000187:drug effects* / Q000302:isolation & purification; D013752:Tetracycline / Q000494:pharmacology*
chemical_list: D002701:Chloramphenicol; D000667:Ampicillin; D010405:Penicillinase; D013752:Tetracycline; D010400:Penicillin G
vernacular_title: Razvitie ustoĭchivosti k ampitsillinu u gramotritsatel'nykh mikroorganizmov in vitro.