title: Headaches, confusion, and coma in a 'healthy' black teenager.
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D000755:Anemia, Sickle Cell / Q000175:diagnosis* / Q000628:therapy; D044383:Black People; D001803:Blood Transfusion; D003072:Cognition Disorders / Q000209:etiology*; D003128:Coma / Q000209:etiology*; D003221:Confusion / Q000209:etiology*; D017707:Erythrocyte Transfusion; D005260:Female; D006261:Headache / Q000209:etiology*; D006801:Humans; D012156:Reticulocytes / Q000032:analysis