title: Studies on the DD antigen-antibody system. I. The nature of antigen Dd and its antibodies.
mesh_terms: D000936:Antigen-Antibody Complex; D000941:Antigens; D006801:Humans; D005779:Immunodiffusion; D012535:Scalp / Q000276:immunology*
chemical_list: D000936:Antigen-Antibody Complex; D000941:Antigens