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522: First trimester sleep disturbance and the risk for preterm birth
Epstein, Rebecca, Mast, Samantha, McCubbin, Andrea, Ashford, Kristen, Barnett, Janine, O'Brien, JohnVolume:
208
Language:
english
Journal:
American Journal of Obstetrics and Gynecology
DOI:
10.1016/j.ajog.2012.10.688
Date:
January, 2013
File:
PDF, 151 KB
english, 2013