Leemingswat, Somjai, and Suput Sucharit Suput Sucharit. 1982. “The microfilarial Periodicity of Dirofilaria immitis Leidy in Thailand”. Agriculture and Natural Resources 16 (2). Bangkok, Thailand:57-60. https://li01.tci-thaijo.org/index.php/anres/article/view/240895.