R-plasmids carried by nosocomial strains of Serratia marcescens: host range and stability.
D003227:Conjugation, Genetic; D003428:Cross Infection / Q000382:microbiology; D006801:Humans; D066298:In Vitro Techniques; D011815:R Factors; D012706:Serratia marcescens / Q000235:genetics* / Q000302:isolation & purification