Surveillance of necrotising enterocolitis, 1981-2.
D001724:Birth Weight; D003428:Cross Infection / Q000453:epidemiology; D004196:Disease Outbreaks / Q000453:epidemiology; D004761:Enterocolitis, Pseudomembranous / Q000453:epidemiology* / Q000382:microbiology / Q000401:mortality; D005865:Gestational Age; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007363:Intensive Care Units, Neonatal; D006113:United Kingdom