Evaluating the effectiveness and adverse effects of oral versus transdermal estradiol for endometrial preparation in frozen-thawed embryo transfer: a randomized controlled trial. - Tran, Thuy Thi-Thanh; Tran, Huy Phuong; Ly, Loc Thai; Hoang, Tuyet Thi-Diem; Huynh, Trang Nguyen-Khanh; Dang, Son Truong (Middle East Fertility Society Journal, 2024)