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You searched for: Date 2020 Author/Creator He, Jian-Rong

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1. A cross-sectional comparison of epidemiological and clinical features of patients with coronavirus disease (COVID-19) in Wuhan and outside Wuhan, China. Issue 35 (May 2020)

2. Association between serum progesterone concentration in early pregnancy and duration of pregnancy: a cohort study. (17th June 2020)