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This national cohort study of more than 1.3 million births in China from December 1, 2013, to November 30, 2014, assesses the association of concentration of airborne particulate matter of 1 m or less with the risk of preterm birth and identifies subgroups of pregnant women who may be vulnerable.
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The editors of JAMA recognize the challenges, concerns, and frustration about the shortage of personal protective equipment (PPE) that is affecting the care of patients and safety of health care workers in the US and around the world. We seek creative immediate solutions for how to maximize the use of PPE, to conserve the supply of PPE, and to identify new sources of PPE.
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1. Tan C, Lu S, Wang Y, Zhu Y, Shi T, Lin M, Deng Z, Wang Z, Song N, Li S, Yang P, Yang L, Liu Y, Chen Z, Xu KLong term exposure to high air pollution induces cumulative DNA dam