K. Techatraisak, S. Angsuwathana, M. Rattanachaiyanont, P. Tanmahasamut, P. Leerasiri, and S. Indhavivadhana, “Gynecological Endocrinology Patients Attending Siriraj Hospital at the Beginning of the New Millennium”, Siriraj Med J, vol. 59, no. 6, pp. 294–297, Nov. 2007.