中国计划生育学杂志
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无痛人工流产术后即时放置两种宫内节育器临床效果
成都医学院第一附属医院(610500)
Clinical observation of two kinds of intrauterine devices inserted immediately after painless abortion
The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan Province, 610500