T. Vutyavanich, O. Sreshthaputra, S. Wongtra-ngan, C. Uttavichai, R. Sresthaputra, and W. Piromlertamorn, “Comparison of Tom Cat and PIVET Catheter for Intrauterine Insemination”, Thai J Obstet Gynaecol, vol. 15, no. 4, pp. 223–229, Apr. 2017.