idiopathic aplastic anemia www.nlm.nih.gov/medlineplus/ency/article/000554.htm Full article >>> medline plus (nih) definition MedlinePlus百科全書：特發性再生不良性貧血 http://www.nlm.nih.gov/medlineplus/ency/article/000554.htm MedlinePlus百科全書：特發性再生不良性貧血 Aplastic anemia Bone marrow failure