Anemia drugs from Amgen and Johnson &Johnson may raise the risk that patients with a bone marrow disease will later develop leukemia, according to an analysis of 30 years of patient records.

• 贫血毒品从安进公司和强生公司可能引起的风险，与病人的骨髓疾病稍后会发展早幼粒细胞白血病，据有关部门分析， 30年的病人的记录。