title: Studies on the Dd antigen-antibody system. III. Investigations on antigen Dd-reactivity in families.
mesh_terms: D000328:Adult; D000375:Aging; D000906:Antibodies / Q000235:genetics* / Q000276:immunology; D000937:Antigen-Antibody Reactions; D000941:Antigens / Q000235:genetics* / Q000276:immunology; D005260:Female; D005312:Fetal Blood / Q000276:immunology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012535:Scalp / Q000276:immunology*; D012737:Sex Factors
chemical_list: D000906:Antibodies; D000941:Antigens