title: Fatal intracranial hemorrhage as the first sign of hemophilia B in an infant.
mesh_terms: D002543:Cerebral Hemorrhage / Q000209:etiology*; D005164:Factor IX / Q000032:analysis; D002836:Hemophilia B / Q000150:complications* / Q000235:genetics; D006801:Humans; D007223:Infant; D008297:Male
chemical_list: D005164:Factor IX