Engel M, Ntsekhe M, Zühlke L. Time to end Rheumatic Heart Disease: Lessons and opportunities from observational registries. SAHJ [Internet]. 2019 Apr. 23 [cited 2026 Jun. 13];16(1):42-6. Available from: https://ngtt.journals.ac.za/index.php/SAHJ/article/view/3412