Letter: Group B streptococci in perinatal infections.
D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D008581:Meningitis / Q000209:etiology; D012131:Respiratory Insufficiency / Q000209:etiology; D012703:Serotyping; D013290:Streptococcal Infections; D013291:Streptococcus / Q000145:classification