[An analysis of and epidemic infection of the upper respiratory tract in the neonatal ward].
Zhang
W
W
Wagn
J T
JT
D003428:Cross Infection / Q000453:epidemiology* / Q000635:transmission*; D006801:Humans; D007231:Infant, Newborn; D009725:Nurseries, Hospital; D012141:Respiratory Tract Infections / Q000453:epidemiology* / Q000635:transmission*