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The umbilical cord twist: Origin direction, and relevance
Lacro, Ronald V., Jones, Kenneth L., Benirschke, KurtVolume:
157
Language:
english
Journal:
American Journal of Obstetrics and Gynecology
DOI:
10.1016/S0002-9378(87)80067-4
Date:
October, 1987
File:
PDF, 958 KB
english, 1987