By Wijesinghe M.   Bandara M.   Ratnasooriya W.   Lakraj G.   in Archives of Environmental Contamination and Toxicology

ISSN:0090-4341|60|4|690-696

Springer Publishing Company ‎(2011)‎

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By Wanniarachchi Kasuni   Dinithi L.   Peiris C.   Ratnasooriya W. D.   in Pharmaceutical Biology (Formerly International Journal of Pharmacognosy)

ISSN:1388-0209|47|3|260-265

Informa Healthcare‎(2009)‎

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By Ratnasooriya W.D.   in Pharmaceutical Biology (Formerly International Journal of Pharmacognosy)

ISSN:1388-0209|45|7|525-532

Taylor & Francis Ltd‎(2007)‎

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By Ratnasooriya W.D.   Dharmasiri M.G.   in Fitoterapia

ISSN:0367-326X|70|3|311-313

Elsevier‎(1999)‎

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By Ratnasooriya W.D.   Pieris K.P.P.   in Pharmaceutical Biology (Formerly International Journal of Pharmacognosy)

ISSN:1388-0209|43|7|614-619

Informa Healthcare‎(2005)‎

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By Dharmasiri M.G.   Ratnasooriya W.D.   Thabrew M.I.   in Pharmaceutical Biology (Formerly International Journal of Pharmacognosy)

ISSN:1388-0209|41|1|37-44

Informa Healthcare‎(2003)‎

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By Dharmasiri M.G.   Ratnasooriya W.D.   Thabrew M.I.   in Pharmaceutical Biology (Formerly International Journal of Pharmacognosy)

ISSN:1388-0209|40|6|433-439

Informa Healthcare‎(2002)‎

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By Kathirgamanathar Selvaluxmy   Ratnasooriya W.D.   Baekstrom Peter   Andersen Raymond J.   Karunaratne Veranja   in Pharmaceutical Biology (Formerly International Journal of Pharmacognosy)

ISSN:1388-0209|44|3|217-220

Informa Healthcare‎(2006)‎

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By Weerakoon S.W.   Arambewela L.S.R.   Premakumara G.A.S.   Ratnasooriya W.D.   in Pharmaceutical Biology (Formerly International Journal of Pharmacognosy)

ISSN:1388-0209|36|5|360-361

Informa Healthcare‎(1998)‎

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By Ratnasooriya W.D.   Jayakody J.R.A.C.   Hettiarachchi A.D.I.   Dharmasiri M.G.   in Pharmaceutical Biology (Formerly International Journal of Pharmacognosy)

ISSN:1388-0209|43|2|140-146

Informa Healthcare‎(2005)‎

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