title: Two independent T-lymphocyte antigen loci in the chicken, Ly-4 and Th-1.
mesh_terms: D000483:Alleles; D000818:Animals; D000917:Antibody Formation; D002645:Chickens; D003433:Crosses, Genetic; D005455:Fluorescent Antibody Technique; D005838:Genotype; D006579:Heterozygote; D007519:Isoantigens / Q000235:genetics*; D008285:Major Histocompatibility Complex; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D007519:Isoantigens