Hospital infection control: role of the World Health Organization.
Johansen
K S
KS
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003428:Cross Infection / Q000453:epidemiology / Q000517:prevention & control*; D006757:Hospital Units; D006801:Humans; D007223:Infant; D008875:Middle Aged; D015995:Prevalence; D014944:World Health Organization