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2by Byrns, Glenda ElkinsSubjects: “...observational studies...”
Published 2010
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4by S. Yu. Martsevich, N. P. Kutishenko, Yu. V. Lukina, M. M. Lukyanov, O. M. DrapkinaSubjects: “...observational studies...”
Published 2021-05-01
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6by Yan Qiao, Tingting Yang, Yong Gan, Wenzhen Li, Chao Wang, Yanhong Gong, Zuxun LuSubjects: “...Observational studies...”
Published 2018-03-01
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10by Yi Zhang, Ye Yang, Ming-sheng Xie, Xiang Ding, Hui Li, Zhi-chen Liu, Shi-fang PengSubjects: “...Observational studies...”
Published 2017-12-01
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11by A. D. KoltakovaSubjects: “...cohort observational studies...”
Published 2019-05-01
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12by Jauffret Pénélope, Chastang Jean-François, Descatha Alexis, Roquelaure Yves, Leclerc AnnetteSubjects: “...observational studies...”
Published 2011-05-01
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13by Jan BaedkeSubjects: “...causation, explanation, intervention, epigenetics, methodology, observational studies...”
Published 2012-06-01
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18by Savje, F.Subjects: “...Observational studies...”
Published 2022
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20by Long-Gang Zhao, Zhuo-Ying Li, Guo-Shan Feng, Xiao-Wei Ji, Yu-Ting Tan, Hong-Lan Li, Marc J. Gunter, Yong-Bing XiangSubjects: “...Observational studies...”
Published 2020-02-01
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