title: The relation of blood groups and the secretor factor to amyotrophic lateral sclerosis.
mesh_terms: D000017:ABO Blood-Group System / Q000032:analysis*; D000690:Amyotrophic Lateral Sclerosis / Q000097:blood*; D000941:Antigens; D001789:Blood Group Antigens; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D007413:Intestinal Mucosa; D008297:Male; D010641:Phenotype; D012204:Rh-Hr Blood-Group System / Q000032:analysis
chemical_list: D000017:ABO Blood-Group System; D000941:Antigens; D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System