Theileria parva: significance of leukocytes for infecting cattle.
D000818:Animals; D002417:Cattle; D003241:Consanguinity; D056890:Eukaryota; D006648:Histocompatibility; D007962:Leukocytes / Q000469:parasitology*; D013801:Theileriasis / Q000097:blood / Q000469:parasitology / Q000635:transmission*; D013987:Ticks