R. Allen

Day-3 embryo morphology predicts euploidy among older subjects.

W. Brewster, M. Kim, S. Moayeri, 2008, Fertility and sterility.

Human Chorionic Gonadotropin and the Diagnosis of Early Pregnancy

F. Stanczyk, R. Paulson, R. Allen, 2010 .

The use of serial human chorionic gonadotropin levels to establish a viable or a nonviable pregnancy.

K. Chung, R. Allen, 2008, Seminars in reproductive medicine.