Efficacy of vitamin D plus calcium with/without alendronate on bone metabolism in immunologic thrombocytopenic purpura patients with steroid treatment: Nine-month results of a randomized, double-blinded, controlled trial

维生素 D 加钙联合/不联合阿仑膦酸钠对接受类固醇治疗的免疫性血小板减少性紫癜患者骨代谢的疗效：一项随机、双盲、对照试验的 9 个月结果