Abbasi, T. A., Gilani, S. A., Bacha, R., & Fatima, W. (2018). Comparison of Doppler and Greyscale Compression Sonography in the Diagnosis of Deep Vein Thrombosis. Annals of King Edward Medical University, 24(4). Retrieved from https://www.annalskemu.org/journal/index.php/annals/article/view/2681