title: Protozoan parasites of some terrestrial oligochaetes.
mesh_terms: D000818:Animals; D000845:Annelida / Q000469:parasitology*; D016782:Apicomplexa / Q000302:isolation & purification*; D016798:Ciliophora / Q000302:isolation & purification*; D007422:Intestines / Q000469:parasitology; D008297:Male; D009835:Oligochaeta / Q000469:parasitology*; D012669:Seminal Vesicles / Q000469:parasitology