Adeyekun, Ademola A., Ogugua Annie Ifijeh, Adenike O. Akhigbe, and Mohammed Munir Abubakar. “Ultrasound Reference Values for Inferior Vena Cava Diameter and Collapsibility Index Among Adult Nigerians”. West African Journal of Radiology 26, no. 1 (June 2, 2019): 25–30. Accessed June 15, 2025. https://wajr.org/index.php/home/article/view/27.