AIM: To study the value of oral ferricammoniumcitrate (FAC) solution as a negative gastrointestinal contrast agent in MR urography (MRU).
目的：研究枸橼酸铁铵作为胃肠道阴性对比剂对改善磁共振尿路成像(MRU)质量的价值。
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The change of sodium ferric EDTA and carbonyl iron was not great, but most of ferric sulfate and ferricammoniumcitrate became insoluble during storage.