TY - BOOK AU - Preethakumari, V.M; Researcher AU - Vasandakumar, M V; Guide TI - Studies on the digenetic trematodes infecting freshwater fishes in Kannur and Kasaragode districts of Kerala, India U1 - 597 PY - 2013/// CY - Kannur PB - Kannur University KW - Thesis(Ph.D) - Zoology KW - Metacercaria KW - Histopathology ER -