C. Uttavichai, O. Sreshthaputra, R. Sreshthaputra, T. Vutyavanich, S. Wongtra-Ngan, and P. Jongusuk, “Echovist-200 as an Ultrasound Contrast Medium for Hysterosalpingocontrast Sonography”, Thai J Obstet Gynaecol, vol. 13, no. 1, pp. 33–37, Sep. 2017.