title: Letter: Primary responses to transplantation antigens.
mesh_terms: D000917:Antibody Formation; D003601:Cytotoxicity Tests, Immunologic; D005260:Female; D006649:Histocompatibility Antigens; D006801:Humans; D008214:Lymphocytes / Q000276:immunology*; D008297:Male; D008722:Methods
chemical_list: D006649:Histocompatibility Antigens