Muhammad, Dost, Shamrez Khan, and Asif Rahman. 2016. “DIAGNOSTIC ACCURACY OF GRAY-SCALE AND COLOUR DOPPLER ULTRASONOGRAPHY IN DIAGNOSING MALIGNANT THYROID NODULES: Gray-Scale and Colour Doppler USG in Thyroid Nodules”. Pakistan Armed Forces Medical Journal 66 (4):574-78. https://pafmj.org/PAFMJ/article/view/768.