title: Feline leukaemia virus antigen in cats from Beirut, Lebanon.
mesh_terms: D000818:Animals; D002371:Cat Diseases / Q000097:blood / Q000453:epidemiology*; D002415:Cats; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D007861:Lebanon; D007938:Leukemia / Q000097:blood / Q000453:epidemiology / Q000662:veterinary*; D005256:Leukemia Virus, Feline / Q000302:isolation & purification*; D008297:Male; D014122:Toxoplasma / Q000302:isolation & purification