Dr. Susheela Gayam, Dr. Bhargavi Sajja, Dr. Mary Shashikala, Dr. Neelima C, and Dr. Geeta Rani, “The effectiveness of two different doses letrozole in ovulation induction – a comparative study”, Obg Rev: J Obstet Gynecol, vol. 6, no. 4, pp. 72-78, Aug. 2020.