中国计划生育学杂志
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经阴道联合经腹部超声检查诊断异位妊娠效果
青岛市市立医院(266000)
Clinical diagnostic efficacy of the combined transvaginal and transabdominal ultrasonography for the ectopic pregnancy
Qingdao Municipal Hospital, Qingdao, Shandong Province, 266000