Wickramarachchi W T A, Premaratne P H, Perera K L R L, Bandara S, Kocken C H M,Thomas A W, Handunnetti S M and Udagama-Randeniya P V (2006). Natural human antibody responses to Plasmodium vivax Apical Membrane Antigen 1 under low transmission and unstable malaria conditions in Sri Lanka. Infection and Immunity 74 (1): 798-801.
Premaratne P H, Aravinda B R, Escalante A A and Udagama P V (2011). Genetic diversity of Plasmodium vivax Duffy Binding Protein II (PvDBPII) under unstable transmission and low intensity malariain Sri Lanka. Infection, Genetics and Evolution,11: 1327–1339.
Dias S, Somaratne M, ManamperiA,Escalante A, Gunasekera A M and Udagama PV (2011). Evaluation of the genetic diversity of domain II of Plasmodium vivax Apical Membrane Antigen 1 (PvAMA-1) and the ensuing strain-specific immune responses in patients from Sri Lanka. Vaccine, 29:7491– 7504.
Gammulle A S, Ratnasooriya W D, Jayakody JRAC, Kanatiwela C, Fernando C and Udagama PV (2012).Thrombocytosis and anti-inflammatory properties, and toxicological evaluation of Carica papaya mature leaf concentrate in a murine model. Online International Journal of Medicinal Plants Research, 1(2): 21-30.
Dias S, Wickramarachchi T, Sahabandu E,Escalante A and Udagama PV(2013).Population genetic structure of thePlasmodium vivaxcircumsporozoite protein (Pvcsp) in Sri Lanka.Gene, 518:381-387.
Bamunuarachchi B A G S, Ratnasooriya W D, Premakumara G A S, and Udagama P V (2014).Artemisia vulgaris L ethanolicleaf extract reverse thrombocytopenia/ thrombocytosis and avert end stage disease of experimental verePlasmodiumberghei murine malaria.Journal of Vector Borne Diseases. 51: 1-8.
UdalamaththaVL,Jayasinghe C D, and Udagama PV (2016).Potential role of herbal remedies instemcelltherapy: proliferation and differentiation of human mesenchymal stromal cells. Stem Cell Research & Therapy, 7:110-117. (DOI: 10.1186/s13287-016-0366-4; URL: http://stemcellres.com/content/7/1/110)
Jayasinghe C D, Gunasekara D S, De Silva N, Jayawardena K K and Udagama P V (2017).Mature leaf concentrate of Sri Lankan wild type Carica papaya Linn. modulates nonfunctional and functional immune responses of rats. BMC Complementary and Alternative Medicine, 17:230- 244DOI 10.1186/s12906-017-1742-z
Udalamaththa V, Samaratunga U, and Udagama P (2021). Cues from Sri Lankan Traditional Medicine to the Modern Drug Development Pipeline- for a sustainable future. University of Colombo Review (New Series III), 2(2), 88-106.
Rankothgedera S, Atukorala I, Fernando C, Munidasa D, Wijayaratne L, Udagama P (2021) A potential diagnostic serum immunological marker panel to differentiate between primary and secondary knee osteoarthritis. PLoS ONE 16(9): e0257507. https://doi.org/10.1371/journal. pone.0257507
Arambegedara D, Jayasinghe S and Udagama P. (2021) Multi-pronged Research on Endemic ChronicKidneyDisease of Unknown Eatiology in Sri Lanka: A Systematic Review, Environment Science and Pollution Research, https://doi.org/10.1007/s11356-021-17316-6
Hewavithana D K, Wijesinghe M R, and Udagama P V (2022). Gastrointestinal parasites of six large mammals in the Wasgomuwa National Park, Sri Lanka, International Journal of Prasitology:Parasites and Wildlife, 17:1-6. https://doi.org/10.1016/j.ijppaw.2021.11.00
Fernando S U, Udagama P V, and Fernando S P. Zoonotic gastrointestinal parasites in urban, suburban and wild populations of endemic toque macaque (Macaca sinica) inhabiting different climatic zones in Sri Lanka: Effect of urbanization on parasite prevalence. (2022) International Journal of Prasitology: Parasites and Wildlife.17: 100-109https://doi.org/10.1016/j.ijppaw.2021.12.007
Wickramasinghe J S, Udagama P V, Dissanayaka V H W, Weerasooriya A D, Goonasekera H W W (2022). Plant based radioprotectors as an adjunct to radiotherapy: advantages and limitations. Journal of Radiological Protection, 42:2, https://doi.org/10.1088/1361-6498/ac5295
Gulegoda C R, Dissanayake C B, Amarasekara D S, Wijerathne S, Premadasa J K, Chandrajith R, Udagama P V (2022). Impact of chronic fluoride exposure from drinking water on male reproductive parameters: a pilot case-control study in Sri Lanka. Exposure and Health, special issue on Medical and Chemical Geology, https://doi.org/10.1007/s12403-022-00465-5
Udagama PV, Udalamaththa V, Samaratunge U, Jayasinghe L and Wijeratne S (2021). A Herbal Distillate from Ficus Benghalensis Plant parts, its Preparation Method and Uses Thereof, Sri Lanka, Patent Number 56, https://www.nipo.gov.lk/web/index.php?lang=en). Four more patent applications are pending.
Udagama PV, Udalamaththa V, Samaratunge U, Jayasinghe L and Wijeratne S (2021). A Herbal Distillate from Ficus Benghalensis Plant parts, its Preparation Method and Uses Thereof, Sri Lanka Patent Number 56, https://www.nipo.gov.lk/web/index.php?lang=en