Ranganathan, S.S.Fernandopulle, R.2016-01-142016-01-142007The Ceylon Medical Journal, 52(02)pp.41-440009-0875https://dl.nsf.gov.lk/handle/1/21109Medical SciencesDrug therapyAdverse effectsPharmaco vigilanceDrug monitoringPreventive medicineWHO guidelinesA clinicians' guide to adverse drug reactionsArticle