Eddleston M, Ariaratnam CA, Sjöström L, Jayalath S, Rajakanthan K, Rajapakse S, Colbert D, Meyer WP, Perera G, Attapattu S, Kularatne SA, Sheriff MR, Warrell DA. Acute yellow oleander (Thevetia peruviana) poisoning: cardiac arrhythmias, electrolyte disturbances, and serum cardiac glycoside concentrations on presentation to hospital. Heart. 2000;83(3):301-6