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Reply: To PMID 25772211.
Ko JY, Tong VT, Callaghan WM. Ko JY, et al. Am J Obstet Gynecol. 2015 Oct;213(4):599. doi: 10.1016/j.ajog.2015.06.023. Epub 2015 Jun 10. Am J Obstet Gynecol. 2015. PMID: 26071917 Free PMC article. No abstract available.
Validation of obstetric estimate of gestational age on US birth certificates.
Dietz PM, Bombard JM, Hutchings YL, Gauthier JP, Gambatese MA, Ko JY, Martin JA, Callaghan WM. Dietz PM, et al. Among authors: ko jy. Am J Obstet Gynecol. 2014 Apr;210(4):335.e1-335.e5. doi: 10.1016/j.ajog.2013.10.875. Epub 2013 Oct 29. Am J Obstet Gynecol. 2014. PMID: 24184397 Free PMC article.
782 results