Changes in labor patterns over 50 years

American Journal of Obstetrics and Gynecology 2012 Vol. 206; Iss. 5

Changes in labor patterns over 50 years

S. Katherine Laughon, D. Ware Branch, Julie Beaver, Jun Zhang
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Volume:
206
Year:
2012
Language:
english
Pages:
65535
DOI:
10.1016/j.ajog.2012.03.003
File:
PDF, 617 KB
english, 2012
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