title: STUDIES ON THE ECOLOGY OF ASCARIS LUMBRICOIDES.
mesh_terms: D000818:Animals; D001196:Ascariasis; D001200:Ascaris; D017164:Ascaris lumbricoides; D001203:Ascomycota; D002031:Bulgaria; D004463:Ecology; D051379:Mice; D012106:Research; D012756:Sheep; D034561:Sheep, Domestic
keywords: ASCARIASIS; ASCARIS; BULGARIA; ECOLOGY; EXPERIMENTAL LAB STUDY; MICE; SHEEP