Kayastha P. Variations in Measurements of the Aortic Knob in the Chest Radiograph in Normal and Hypertensive Subjects. Europasian J Med Sci [Internet]. 2020 Dec. 30 [cited 2025 Feb. 1];2(2):92-6. Available from: https://nepjol.info./index.php/ejms/article/view/35554