Avian blood coccidians.
D000818:Animals; D016782:Apicomplexa / Q000145:classification* / Q000302:isolation & purification; D001715:Bird Diseases; D001717:Birds; D003048:Coccidiosis / Q000662:veterinary; D004539:Eimeria / Q000145:classification; D049673:History, 20th Century; D007549:Isospora / Q000145:classification; D008289:Malaria, Avian; D010274:Parasitology / Q000266:history; D010961:Plasmodium / Q000145:classification; D011529:Protozoan Infections, Animal; D014122:Toxoplasma / Q000145:classification; D014124:Toxoplasmosis, Animal