Novel waste material sword structure von DUAN RUCHUN, GUO JUN

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Detachable longitudinal cutting edging knife von DUAN RUCHUN, GUO JUN, HOU HAIJING

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Novel inner-supporting and outer-clamping type trachea cannula for domestic rabbits von ZHANG JIAJUN, DUAN RUCHUN, DAI YUWEN, YANG XIAOPEI, DAI LIYUN, HAN CHAOZHI, YANG YONGHUA

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Prenatal Diagnosis of Fetal Micrognathia at 11–20 Weeks of Gestation von Wu, Siqi, Han, Jin, Duan, Guanhua, Xue, Jiaxin, Huang, Ruchun, Wu, Liping, Yan, Xiuyan, Pi, Huichun, Yang, Xin

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Prenatal Diagnosis of Fetal Micrognathia at 11-20 Weeks of Gestation: A Prospective Observation Study von Wu, Siqi, Han, Jin, Duan, Guanhua, Xue, Jiaxin, Huang, Ruchun, Wu, Liping, Yan, Xiuyan, Pi, Huichun, Yang, Xin

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