title: Ultrastructural observations on the sporogony of Eimeria maxima.
mesh_terms: D000818:Animals; D002645:Chickens; D004539:Eimeria / Q000254:growth & development / Q000648:ultrastructure*; D005243:Feces; D008854:Microscopy, Electron; D013170:Spores / Q000648:ultrastructure