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输卵管注药绝育术后盆腔X光片显影长度与绝育效果关系的生命表法分析
刘云嵘
国家计划生育委员会科学技术研究所社会医学研究室,北京,100081
Life Table Analysis on the Relation between the Contraceptive Effictiveness and the Film Length of the Occlusion for Female Tube Sterilization by Chemical Instillation
LiuYunrong