Ohcanbohtosat - Heping Zhang, Ph.D

Embryo cryopreservation and utilization in the United States from 2004-2013 Dahkki Mindy S. Christianson, M.D, Judy E. Stern, Ph.D, Fangbai Sun, M.P.H, Heping Zhang, Ph.D, Aaron K. Styer, M.D, Wendy Vitek, M.D, Alex J. Polotsky, M.D

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Moderate and increased physical activity is not detrimental to live birth rates among women with unexplained infertility and obesity Dahkki Wendy S. Vitek, M.D, Fangbai Sun, M.P.H, Eden Cardozo, M.D, Kathleen M. Hoeger, M.D., M.P.H, Karl R. Hansen, M.D., Ph.D, Nanette Santoro, M.D, Heping Zhang, Ph.D, Richard S. Legro, M.D

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