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J Obstet Gynecol Neonatal Nurs. 2006 May-Jun;35(3):376-84. doi: 10.1111/j.1552-6909.2006.00051.x.

Variability in the phases of the menstrual cycle.

Fehring RJ, Schneider M, Raviele K

Research Library

The largest, free collection of academic references related to restorative reproductive medicine— made possible by donations.

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