Citation: Rwa. Oorschot et al., INVESTIGATION OF THE CAUSE OF MASS MORTAL ITY AMONG MARINE CULTURED RAINBOW-TROUT (ONCORHYNCHUS-MYKISS, WALBAUM) AT A FISH FARM IN THE SOUTH-WEST NETHERLANDS, Tijdschrift voor diergeneeskunde, 120(18), 1995, pp. 531-534