title: HL-A antigens on circulating platelets. Ultrastructural demonstration.
mesh_terms: D000818:Animals; D000906:Antibodies; D001792:Blood Platelets / Q000276:immunology*; D002462:Cell Membrane / Q000276:immunology*; D006649:Histocompatibility Antigens; D006801:Humans; D007106:Immune Sera; D008854:Microscopy, Electron; D010544:Peroxidases; D011817:Rabbits / Q000276:immunology; D011868:Radioisotopes; D005719:gamma-Globulins
chemical_list: D000906:Antibodies; D006649:Histocompatibility Antigens; D007106:Immune Sera; D011868:Radioisotopes; D005719:gamma-Globulins; D010544:Peroxidases