title: Transient erythroblastopenia.
mesh_terms: D001803:Blood Transfusion; D002675:Child, Preschool; D003440:Croup / Q000209:etiology; D004900:Erythroblasts / Q000002:abnormalities*; D004913:Erythrocytes, Abnormal; D006801:Humans; D008297:Male; D014777:Virus Diseases / Q000150:complications