-
- David A Sacks.
- Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, California, USA Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, University of Southern California, Keck School of Medicine, Los Angeles, California, USA dasacks1@verizon.net.
- BMJ. 2015 Jan 1;350:h177.
no abstract available
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