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Issue Date	Title	Author(s)
2005	Effect of kohiladi decoction on clotting of blood	Weerasekera, K.R.; Ediriweera, E.R.H.S.S.; Cooray Vidyashekhera, M.S.P.; Jayakody, J.R.A.; Ratnasooriya, W.D.
2005	Sedative Effects of Hot Flower Infusion of Nyctanthes arbo-tristis on Rats	Ratnasooriya, W.D.; Jayakody, J.R.A.C.; Hettiarachchi, A.D.I.; Dharmasiri, M.G.
2003	Antinociceptive effect and toxicological study of the aqueous bark extract of Barringtonia racemosa on rats	Deraniyagala, S.A.; Ratnasooriya, W.D.; Goonasekara, C.L.
1996	Evaluation of two cucurbits (Genus: Momordica) for gastroprotective and ulcer healing activity in rats	Fernandopulle, B.M.R.; Ratnasooriya, W.D.; Karunanayake, E.H.
2006	Sedative activity of stem bark of the Sri Lankan endemic plant, Vateria copallifera	Ratnasooriya, W.D.; Lelwala, L.H.D.S.; Kannangara, K.N.K.; Sandanayaka, S.D.D.; Ediriweera, E.R.H.S.S.
2002	Effect of patoladi ghanasara on ethanolinduced gastric lesions in rats	Munasinghe, S.L.; Vithanage, D.K.; Ratnasooriya, W.D.
2005	Antioxidant activity of water extract of Scoparia dulcis	Ratnasooriya, W.D.; Jayakody, J.R.A.C.; Premakumara, G.A.S.
2002	Analgesic and antihyperalgesic effects of Scoparia dulcis decoction in rats	Ratnasooriya, W. D.; Galhena, G.; Liyanage, S. S. P.; Jayakody, J. R, A. C.
2001	Analgesic Activity of Water Extract of Spilanthes acmella Flowers on Rats	Peiris, K.P.R.; Silva, G.KJ.; Ratnasooriya, W.D.
2008	Antinociceptive activity of Pleurotus cystidiosus, an edible mushroom in rats	Kudahewa, D.D.; Abeytunga, D.T.U.; Ratnasooriya, W.D.
2012	A water extract of leaves and stems of Psychotria sarmentosa has analgesic and antihyperalgesic activity in rats	Ratnasooriya, W.D.; Dharmasiri, M.G.
1999	Evaluation of unripe Mormodica charantia and Mormodica dioica fruit extracts for diuretic and antidiuretic effect in rats	Fernandopulle, B.M.R.; Ratnasooriya, W.D.
2004	Cassia fistula and hypoglycaemia	Ratnasooriya, W.D.; Hettiarachchi, H.D.l.; Jayakody, J.R.A.C.
2003	Diuretic activity of leaf and stem decoction of Anisomeles indica	Dharmasiri, M. G.; Ratnasooriya, W. D.; Thabrew, M. I.
2003	Safety evaluation of Sri Lankan Piper betle leaf extracts in rats	Arambewela, L.S.R.; Arawwawala, L.D.A.M.; Ratnasooriya, W.D.
2005	Oral Hypoglycaemic Activity of Three Ayurvedic Drug Formulations Marketed in Sri Lanka for diabetes	Jayasinghe, L.N.; Gunasekera, M.B.; Goonesekera, C.W.; Ratnasooriya, W.D.
1999	Analgesia and sedation induced by Mucuna prurita seeds in rats	Ratnasoonya, W.D.; Lokupitiya, E.Y.K.; Dharmasiri, M.G.
2005	Antinociceptive Activities of Aqueous and Ethanol Extracts of Piper betle Leaves in Rats	Arambewela, L.S.R; Arawwawala', L .D .A .M; Ratnasooriya, W.D
2002	Effect of aqueous leaf extract of Ficus benghalens on nociception and sedation in Rats	Deraniyagala, S.A.; Ratnasooriya, W.D.; Perera, P.S.
2002	Methanol and water extracts of Withania somnifera roots has no abortifacient effect in rats	Ilaperuma, I.; Ratnasooriya, W.D.; Weerasooriya, T.R.