title: Group B beta haemolytic disease in preterm twins associated with the ingestion of infected breast milk--a case report.
mesh_terms: D000328:Adult; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000209:etiology*; D008895:Milk, Human / Q000382:microbiology*; D013290:Streptococcal Infections / Q000209:etiology*; D013292:Streptococcus agalactiae / Q000302:isolation & purification