| Anti-inflammatory and analgesic activities of mature fresh leaves of Vitex negundo MG Dharmasiri, J Jayakody, G Galhena, SSP Liyanage, WD Ratnasooriya Journal of ethnopharmacology 87 (2-3), 199-206, 2003 | 565 | 2003 |
| Antidiabetic activities of aqueous and ethanolic extracts of Piper betle leaves in rats LSR Arambewela, L Arawwawala, WD Ratnasooriya Journal of Ethnopharmacology 102 (2), 239-245, 2005 | 279 | 2005 |
| Effects of Terminalia catappa seeds on sexual behaviour and fertility of male rats. WD Ratnasooriya, MG Dharmasiri Asian Journal of Andrology 2 (3), 213-219, 2000 | 265 | 2000 |
| Diuretic activity of Spilanthes acmella flowers in rats WD Ratnasooriya, KPP Pieris, U Samaratunga, J Jayakody Journal of ethnopharmacology 91 (2-3), 317-320, 2004 | 211 | 2004 |
| A review on herbs used in treatment of diabetes mellitus by Sri Lankan ayurvedic and traditional physicians E Ediriweera, WD Ratnasooriya Ayu 30 (4), 373-391, 2009 | 121 | 2009 |
| Oral hypoglycaemic, antihyperglycaemic and antidiabetic activities of Sri Lankan Broken Orange Pekoe Fannings (BOPF) grade black tea (Camellia sinensis L.) in … KRW Abeywickrama, WD Ratnasooriya, AMT Amarakoon Journal of ethnopharmacology 135 (2), 278-286, 2011 | 99 | 2011 |
| Antioxidant, anti-amylase and anti-glycation potential of brans of some Sri Lankan traditional and improved rice (Oryza sativa L.) varieties GAS Premakumara, W Abeysekera, WD Ratnasooriya, ... Journal of cereal science 58 (3), 451-456, 2013 | 91 | 2013 |
| Effect of Withania somnifera root extract on the sexual behaviour of male rats. I Ilayperuma, WD Ratnasooriya, TR Weerasooriya Asian Journal of Andrology 4 (4), 295-298, 2002 | 88 | 2002 |
| Sperm antimotility properties of a seed extract of Abrus precatorius WD Ratnasooriya, AS Amarasekera, NSD Perera, GAS Premakumara Journal of ethnopharmacology 33 (1-2), 85-90, 1991 | 82 | 1991 |
| Antinociceptive activities of aqueous and ethanolic extracts of Alpinia calcarata rhizomes in rats LSR Arambewela, L Arawwawala, WD Ratnasooriya Journal of Ethnopharmacology 95 (2-3), 311-316, 2004 | 80 | 2004 |
| Effects of zinc supplementation on sexual behavior of male rats D Dissanayake, PS Wijesinghe, WD Ratnasooriya, S Wimalasena Journal of human reproductive sciences 2 (2), 57-61, 2009 | 79 | 2009 |
| Anti-inflammatory Activity of the Aqueous Leaf Extract of Ixora coccinea. WD Ratnasooriya, SA Deraniyagala, G Galhena, SSP Liyanage, ... Pharmaceutical biology 43 (2), 147-152, 2005 | 79 | 2005 |
| Antidiuretic Activity of Aqueous Bark Extract of Sri Lankan Ficus racemosa in Rats WD Ratnasooriya, J Jayakody, T Nadarajah Acta Biologica Hungarica 54, 357-363, 2003 | 76 | 2003 |
| Relationship between seminal plasma zinc and semen quality in a subfertile population D Dissanayake, PS Wijesinghe, WD Ratnasooriya, S Wimalasena Journal of human reproductive sciences 3 (3), 124-128, 2010 | 75 | 2010 |
| Antinociceptive effect and toxicological study of the aqueous bark extract of Barringtonia racemosa on rats SA Deraniyagala, WD Ratnasooriya, CL Goonasekara Journal of Ethnopharmacology 86 (1), 21-26, 2003 | 72 | 2003 |
| Assessment of the role of Leydig cell products other than testosterone in spermatogenesis and fertility in adult rats RM Sharpe, HM Fraser, WD Ratnasooriya International Journal of Andrology 11 (6), 507-523, 1988 | 70 | 1988 |
| Heavy metal–induced toxicity in the Indian green frog: Biochemical and histopathological alterations UA Jayawardena, P Angunawela, DD Wickramasinghe, WD Ratnasooriya, ... Environmental toxicology and chemistry 36 (10), 2855-2867, 2017 | 69 | 2017 |
| Thrombocytosis and anti-inflammatory properties and toxicological evaluation of Carica papaya mature leaf concentrate in a murine model A Gammulle, WD Ratnasooriya, J Jayakody, C Fernando, C Kanatiwela, ... International Journal of Medicinal Plants Research 1 (2), 21-30, 2012 | 69 | 2012 |
| Testosterone secretion, musth behaviour and social dominance in captive male Asian elephants living near the equator GA Lincoln, WD Ratnasooriya Reproduction 108 (1), 107-113, 1996 | 69 | 1996 |
| In vitro antioxidant properties of leaf and bark extracts of Ceylon cinnamon (Cinnamomum zeylanicum Blume). W Abeysekera, GAS Premakumara, WD Ratnasooriya | 67 | 2013 |
