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Epidemiologic characteristics of preterm delivery: Etiologic heterogeneity
Savitz, David A., Blackmore, Cheryl A., Thorp, John M.Volume:
164
Language:
english
Journal:
American Journal of Obstetrics and Gynecology
DOI:
10.1016/S0002-9378(11)80001-3
Date:
February, 1991
File:
PDF, 672 KB
english, 1991