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[期刊论文] 作者:Hai-QiangGuo,PengGuan,Hai-Long, 来源:世界胃肠病学杂志:英文版(电子版) 年份:2003
AIM: To evaluate the preliminary effects of comprehensive prevention of gastric cancer in Zhuanghe County epidemiologically.METHODS: Stratified sampling and clu...
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