Zahiri, Z., Y. Sarrafzadeh, E. Kazem Nejad Leili, and A. Sheibani. “Success Rate of Hysteroscopy and Endometrial Scratching in Repeated Implantation Failure: A Randomized Controlled Clinical Trial”. Galen Medical Journal, Vol. 10, Feb. 2021, p. e1399, doi:10.31661/gmj.v10i0.1399.