不同剂量氨甲喋呤单次静脉注射治疗异位妊娠的研究
The study of the treatment of early ectopic pregnancy with metho trexate at different doses by intravenous injection
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Abstract: OBJECTIVE:To investigate a safe and effective intravenous single dose of methotrexate(MTX) in the treatment of early ectopic pregnancy.METHODS:97 patients of ectopic pregnancy were divided randomly into 3 groups.Group A with 31 cases was treated by singly