1.
Mbambo T, Smith M, Ferndale L, Bruce J, Laing G, Kong V, Clarke D. Predictors of the need for surgery in upper gastrointestinal bleeding in a resource constrained setting: the Pietermaritzburg experience. SAJS [Internet]. 8Dec.2020 [cited 3Mar.2021];58(4):199-03. Available from: http://sajs.redbricklibrary.com/index.php/sajs/article/view/3137