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Contribution of maternal age and pregnancy checkbox on maternal mortality ratios in the United States, 1978-2012
Davis, Nicole L., Hoyert, Donna L., Goodman, David A., Hirai, Ashley H., Callaghan, William M.Language:
english
Journal:
American Journal of Obstetrics and Gynecology
DOI:
10.1016/j.ajog.2017.04.042
Date:
May, 2017
File:
PDF, 1.49 MB
english, 2017