First hCG Level as a Predictor of Ectopic Pregnancy after In Vitro Fertilization L.M. Cookingham, E.H. Duran, R.P. Goossen, D.K. Shah, A. Sparks, B.J. Van Voorhis Fertility and Sterility Volume 101, Issue 2, (February 2014) DOI: 10.1016/j.fertnstert.2013.11.099 Copyright © 2014 Terms and Conditions
Figure 1 Fertility and Sterility 2014 101, DOI: (10.1016/j.fertnstert.2013.11.099) Copyright © 2014 Terms and Conditions
Figure 2 Fertility and Sterility 2014 101, DOI: (10.1016/j.fertnstert.2013.11.099) Copyright © 2014 Terms and Conditions