中国计划生育学杂志
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弯曲吸管用于后倾后屈位子宫手术流产的效果观察
黑龙江省哈尔滨市红十字中心医院
The effect observation of bending straw used in artificial abortion of pregnant women with retroversion and retroflexion uterus
Harbin Red Cross Central Hospital, Heilongjiang Province,150076