Sujeevi S.K. Nawaratna* , Danister J. Weilgama*, Chandana J. Wijekoon†, Manel Dissanayake‡, and Kosala Rajapaksha§
Author affiliations: *University of Peradeniya, Peradeniya, Sri Lanka; †Teaching Hospital, Kurunegala, Sri Lanka; ‡Teaching Hospital, Kandy, Sri Lanka; §Veterinary Research Institute, Peradeniya, Sri Lanka;
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