Sangwan, Vandana, Jitender Mohindroo, Ashwani Kumar, and Shashi Kant Mahajan. 2017. “Varicosity and Pregnancy Induced Blood Flow Changes in the Cranial Tibial Vein in Buffaloes: B-Mode and Doppler Ultrasound Study”. Buffalo Bulletin 36 (1). Bangkok, Thailand:239-50. http://kuojs.lib.ku.ac.th/index.php/BufBu/article/view/1239.