目的：建立同时测定复方叶酸片中维生素B_6、B_（12）和叶酸含量的离子对色谱法。
Objective:To establish a HPLC method for the simultaneously assay of vitamin B6, vitamin B12 and folic acid in compound folic acid tablets.
该方法快速、准确、灵敏，可用于复方硫酸亚铁叶酸片的质量控制。
The method is convenient, accurate, sensitive, and suitable for the quality control of Compound Ferrous Sulfate and Folic Acid Tablets.
提示用叶酸或甲酰四氢叶酸钙后能保护复方硝喹对小肠的破坏，因而会大大减轻其临床毒性反应。
The results suggest that folic acid or folinic acid can protect the less differentiated cells in the intestinal crypts, so that the clinical manifestations of NQD toxicity are reduced after treatment.
提示用叶酸或甲酰四氢叶酸钙后能保护复方硝喹对小肠的破坏，因而会大大减轻其临床毒性反应。
The results suggest that folic acid or folinic acid can protect the less differentiated cells in the intestinal crypts, so that the clinical manifestations of NQD toxicity are reduced after treatment.
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