1.
Nkomo VT, Pellikka PA, Enriquez-Sarano M, McCully RB. When to use stress echocardiography in the evaluation of patients with valvular heart disease. SAHJ [Internet]. 2017Apr.10 [cited 2025Oct.8];7(2):94-105. Available from: https://www.journals.ac.za/SAHJ/article/view/1951