Incidence of electrocardiographic and electrolyte changes in acute oleander poisoning in humans: A systematic review and meta-analysis protocol - Asanka Eriyawa; Shaluka Jayamanne; Niroshan Lokunarangoda; Arunasalam Pathmeswaran; Rajeevan Francis; Kanagasingam Arulnithy; Dinuka Dharmapala; Pradeepa Jayawardane (PLoS ONE, 2025)