Crawford, S., Boulet, S. L., Kawwass, J. F., Jamieson, D. J., & Kissin, D. M. (2016). Cryopreserved oocyte versus fresh oocyte assisted reproductive technology cycles, United States, 2013. Fertil Steril.

Crawford, Sara, Sheree L. Boulet, Jennifer F. Kawwass, Denise J. Jamieson, و Dmitry M. Kissin. "Cryopreserved Oocyte Versus Fresh Oocyte Assisted Reproductive Technology Cycles, United States, 2013." Fertil Steril 2016.

Crawford, Sara, et al. "Cryopreserved Oocyte Versus Fresh Oocyte Assisted Reproductive Technology Cycles, United States, 2013." Fertil Steril 2016.