International symposium on "New Aspects of Epidemiology, Pathophysiology and Immunology in Helminth Infections". [electronic resource] - Wiadomosci parazytologiczne 1993 - 109-10 p. digital Publication Type: Congress ISSN: 0043-5163 Subjects--Topical Terms: AnimalsHelminthiasis--epidemiologyHelminthiasis, AnimalPoland