R. Najeeb, A. S. Awan, U. Bakhtiar, and S. Akhter, “ROLE OF TRANSVAGINAL SONOGRAPHY IN ASSESSMENT OF ABNORMAL UTERINE BLEEDING IN PERIMENOPAUSAL AGE GROUP”, J Ayub Med Coll Abbottabad, vol. 22, no. 1, pp. 87–90, Mar. 2010.