title: Studies with ferritin-labelled Dolichos biflorus lectin on the numbers and distribution of A sites on A 1  and A 2  erythrocytes, and on the nature of its specificity and enhancement by enzymes.
mesh_terms: D000017:ABO Blood-Group System; D000371:Agglutination; D000918:Antibody Specificity; D001666:Binding Sites, Antibody; D002462:Cell Membrane / Q000276:immunology; D004586:Electrophoresis; D004912:Erythrocytes / Q000276:immunology*; D005293:Ferritins; D006801:Humans; D037102:Lectins; D008854:Microscopy, Electron; D010206:Papain; D014461:Ultracentrifugation
chemical_list: D000017:ABO Blood-Group System; D037102:Lectins; D005293:Ferritins; D010206:Papain