title: [Leeches: haementeria costata (Fr. Müller) and Hirudo medicinalis L. (Hirudinea) in the Kopań lake].
mesh_terms: D000818:Animals; D005618:Fresh Water; D007865:Leeches / Q000254:growth & development; D011044:Poland; D011156:Population Density
vernacular_title: Haementeria costata (Fr. Müller) i Hirudo medicinalis L. (Hirudinea) w jeziorze Kopań.