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Buhimschi IA, Zambrano E, Pettker CM, Bahtiyar MO, Paidas M, Rosenberg VA, Thung S, Salafia CM, Buhimschi CS.Buhimschi IA, et al. Among authors: pettker cm.Obstet Gynecol. 2008 Feb;111(2 Pt 1):403-12. doi: 10.1097/AOG.0b013e31816102aa.Obstet Gynecol. 2008.PMID: 18238979
Pettker CM, Pocock SB, Smok DP, Lee SM, Devine PC.Pettker CM, et al.Obstet Gynecol. 2008 Jun;111(6):1320-6. doi: 10.1097/AOG.0b013e31817615a0.Obstet Gynecol. 2008.PMID: 18515515Clinical Trial.