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2. Fish health problems and programs in the Philippines;Bondad-Reantaso,1992
3. Phylum Annelida: Hirudinea as vectors and disease agents;Burreson,1995
4. Zeylanicobdella arugamensis gen. nov. and sp. nov. from Arugam Kalapu, Eastern Province, Ceylon;De Silva;Spolia Zeylanica,1963
5. Three marine leeches (Piscicolidae, Hirudinea) from the Malay Peninsula;De Silva;Spolia Zeylanica,1965