患儿男，２岁。因皮肤粘膜苍白半年，加重３天于１９９８年１月１９日入院。患儿系足月顺产，否认感染和服用其它药物史。在当地医院曾按缺铁性贫血治疗，口服硫酸亚铁每天２０ｍｇ／ｋｇ，连续３个月无效。体检：体温３６８℃，神志清晰。颜面、眼睑结膜苍白，唇白。周... Children male, 2 years old. Due to pale skin mucosa six months, aggravating three days in January 19, 1998 admission. Children with full-term births, denied infection and taking other drug history. In the local hospital had treatment of iron deficiency anemia, oral administration of ferrous sulfate daily 20mg / kg, 3 consecutive months invalid. Physical examination: body temperature 36  8 ℃, conscious. Face, eyelid pale, lips white. week...