Weerasinghe, A. J., A. Wickramasinghe, G. Carr, D. Williams, R. Andersen, and V. Karunaratne. “GARDINERIN, A BIOLOGICALLY ACTIVE ACETOGENIN FROM THE SRI LANKAN GONIOTHALAMUS GARDINERI HOOK. F. AND THOMSON”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 9, Sept. 2015, pp. 459-61, https://journals.innovareacademics.in/index.php/ijpps/article/view/7174.