[Intestinal flora and infection of neonates].
D000191:Actinomycetaceae / Q000302:isolation & purification; D000818:Animals; D001424:Bacterial Infections / Q000209:etiology*; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*; D007422:Intestines / Q000382:microbiology*; D051379:Mice; D008813:Mice, Inbred ICR