泄泻发病的重要因素是
Hardly anything _____ more than the happiness of seeing someone using his device for treatment.

患儿,2岁。面色苍白,唇淡甲白,发黄稀疏,神疲乏力,形体消瘦3个月,诊断为营养性缺铁性贫血,西药选用铁剂治疗后,正确的停药时间为血红蛋白( )
开始升高时
达正常时
达正常后2个月左右
达正常后4个月左右
达正常后6个月左右