Muhammad Salman Rafique, Sana Kundi, Ahmad Ziauddin, Tahir Malik, Asma Maqsood, Kayenat Khan. “Do Respiratory Maneuvers Affect The Hepatic Vein Waveforms And Maximum Velocity?”. Pakistan Journal of Medical & Health Sciences, vol. 16, no. 03, Mar. 2022, p. 20, doi:10.53350/pjmhs2216320.