. . "Fishes Diseases." . . "Fishes Diseases" . "Disease control" . . "Parasitology" . . "Bacterioses" . . "Diseases-fishes." . . "Fisk" . . "Kræft, tumorer" . . "Van Duijn, C." . . "VAN DUIJN C." . "Viroses" . . "Sporozoa" . . "Neoplasms" . . "Medicin" . . "Fischkrankheit." . . "Peces Enfermedades." . . "Viroser" . . "Poissons Maladies." . . "Fish diseases" . . "Fish Diseases." . "Sygdomsbekæmpelse" . . "Fiskesygdomme" . . "Parasitologi" . . "Ryby choroby." . . "Drugs" . . "Behandling" . . "Fishes" . . "Therapy" . . "Sporozoer" . . "Patologia Animal." . . "Bakterioser, bakteriesygdomme" . . . . . . . . "Diseases of fishes. (Second edition.) [With illustrations.]" . . . . . . . . . . . "DISEASES OF FISHES" . . . . . . . . . "Diseases of Fishes" . . . . . . . . . "Diseases of fishes : (3. ed.)" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Diseases of fishes" . "Diseases of fishes"@en . . . . . . "Diseases of Fishes, etc. [With illustrations, including a portrait.]"@en . . . . . . . .