Regmi, Sudeep, Archana Tiwari, and Rupesh Sharma. 2018. “Comparison of Fine Needle Aspiration Cytology in Thyroid Lesions Using The Bethesda System for Reporting Thyroid Cytopathology With Ultrasonography Using Thyroid Imaging Reporting and Data System”. Journal of Lumbini Medical College 6 (2). https://nepjol.info/index.php/JLMC/article/view/23665.