de Roever-Bonnet, H Letters to the editor: Toxoplasma infection in leeches (Theromyzon tessulatum). [electronic resource] - Tropical and geographical medicine Sep 1974 - 337 p. digital Publication Type: Journal Article ISSN: 0041-3232 Subjects--Topical Terms: AnimalsBird Diseases--transmissionChildDisease VectorsDucksHumansLeechesToxoplasmosis--transmissionToxoplasmosis, Animal--transmission