Wickramarachchi T,Premaratne P H,Dias S, Handunnetti S MandUdagama-RandeniyaPV(2010).Genetic complexity of Plasmodium vivax infections in Sri Lanka reflected at the Merozoite Surface Protein-3α locus,  Annals of tropical Medicine and Parasitology, 104 (2):95-108.

Rajapakse G K, De Silva V S, Goonathilaka S, Athukorala A, Wijayarathna S W and Udagama-Randeniya P V(2009). Immunological, socioeconomic and disease characterization aspects of a population of rheumatoidarthritis patients in Sri Lanka,Indian Journal of Rheumatology, 4(1):3-10.

Fernando S P and Udagama-Randeniya P V(2009). Ecto and intestinal parasites of some selected reptile species in the national zoological garden in Sri Lanka.Journal ofZoo and Wildlife Medicine, 40(2):272-275

Seneviratne S S, Fernando C H and Udagama-Randeniya P V(2009). Degrees of host specificity of cavedwelling bats in a tropical island: a natural experiment.International Journal of Parasitology, 39:995-1002

Jayasinghe, Chanika D, Udagama-Randeniya, Preethi V and Ratnasooriya, W D (2008). In vivo anti malarialactivity of aqueous root extract of Barringtonia acutangula in mice. Pharmocognancy Magazine:4 (15):S1-S8

Gunasekera, A M, Wickramarachchi, LT, Neafsey, DE, Ganguli, I, Perera, L, Premaratne, P H, Hartl, D,Handunetti, S M, Udagama-Randeniya, P V and Wirth, D F (2007). Genetic diversity at thePlasmodium vivax Apical Membrane Antigen-1 (PvAMA-1) locus in a Sri Lankan population. Molecular Biology andEvolution, 24 (4): 939-947

Wickramarachchi, W T A,Illeperuma, I,Perera, K L R L, Bandara, S, Longacre, S,Handunetti, S M and Udagama-Randeniya, P V (2007).Comparison ofnaturally acquired antibody responses against the C-terminal processing productsof Plasmodium vivax Merozoite Surface Protein 1 under low transmission and unstable malaria conditions in Sri Lanka. International Journal of Parasitology, 37:199-208.

Sathananthan A H,Rathnasooriya W D,Silva A de and Randeniya P (2006) Rediscovering Boveri’s centrosome in Ascaris (1888): its impact on human fertility and development, Reproductive Biomedicine Online; www.rbmonline.com/Artical/1989: 12 (2): 254 270.

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.

Merino E F, Fernandez-Becerra C, Durham A M, Ferreira J E, Tumilasci V F, deArc-Neves J, da Silva-Nunes M, Ferreira M U, Wickramarahchi T, Udagama-Randeniya P, Handunnetti S M and del Portillo HA (2006). Multi-character population study of the vir superfamily of Plasmodium vivax, a major human malaria parasite. Molecular Biochemical Parasitology, 149(1):10-16.

Kalubowila, D G W, Udagama-Randeniya, P V,Perera, N A N D and Rajapakse, R P V J (2004).Seroprevalence of Sarcocystis in cattle and buffaloes from the wet and dry zones ofSri Lanka: A preliminary study, Journal of Veterinary Medicine, B 51:89-93.

Brown, W A, Udagama-Randeniya, P V and Seneviratne, S S (2003).Two new species of chiggers (Acari:Leeuwenhoekiidae and Trombiculidae) from bats (Chiroptera) collected in the Kanneliya forest reserve of SriLanka. International Journal of Acaralogy, 29 (1): 69-73.

Snewin V A, Premawansa S, Kapilananda G M G, Ratanayake L, Udagama P V, Mattei D M, Khouri E, DelGuidice G, Peiris J S M, Mendis K N, David P H (1995). Transmission blocking immunity in Plasmodiumvivax malaria: Antibodies raised against a peptide block parasite development in the mosquito vector.Journal of Experimental Medicine. 181; 357-362.

Udagama-Randeniya P V and Savidge R A. (1995).Coniferyl alcohol oxidase – a catechol oxidase?, Trees,10:102-107.

Udagama-Randeniya P V and Savidge R A (1994) Electrophoretic analysis of coniferyl alcohol oxidase and related enzymes. Electrophoresis 15:1072-1077. (submitted on invitation by Prof.Dr.G.M Rothe who edited a ”paper symposium’ for this journal entitled “Gradient Gel Electrophoresis”).

Savidge R A and Udagama-Randeniya P V. (1992). Cell-wall bound coniferyl alcohol oxidase associated with lignification in conifers. Phytochemistry 31(9):2959-2966.

Udagama P V, Gamage-Mendis A C, David P H, Peiris J S M, Perera K L R L, Mendis K N and Carter R. (1990). Genetic complexity of Plasmodium vivax parasites in individual human infections analyzed with monoclonal antibodies against variant epitopes on a single parasite protein, PV200. American Journal of Tropical Medicine and Hygiene 42(2): 104-110.

Del Portillo H A, Gysin J, Mattei D M, Khouri E, Udagama P V, Mendis K N and David P H. (1988). Plasmodium vivax: cloning and expression of a major blood-stage surface antigen. Experimental Parasitology 67: 346-           353.

Peiris J S M, Premawansa S, Ranawaka M B R, Udagama P V, Nanayakkara M V, Munesinghe Y D, Gamage C P, David P H, Carter R and Mendis K N. (1988). Monoclonal and polyclonal antibodies both block and enhance transmission of human Plasmodium vivax American Journal of Tropical Medicine and Hygiene 39: 26-32.

Udagama P V, Atkinson C T, Peiris J S M, David P H, Mendis K N and Aikawa M. (1988). Immunoelectron microscopy of Schuffner’s dots in Plasmodium vivax – infected human erythrocytes. American Journal of Pathology 131(1): 48-52.