[Nosocomial infections as a problem of biological safety].
Semina
N A
NA
D001424:Bacterial Infections / Q000517:prevention & control; D003264:Containment of Biohazards; D003428:Cross Infection / Q000517:prevention & control*; D006801:Humans; D012449:Safety; D014612:Vaccines / Q000627:therapeutic use; D014777:Virus Diseases / Q000517:prevention & control
D014612:Vaccines