title: Ragweed sensitivity: segregation analysis and linkage to HLA-B.
mesh_terms: D002874:Chromosome Mapping; D005260:Female; D008040:Genetic Linkage; D006680:HLA Antigens / Q000235:genetics*; D006801:Humans; D008297:Male; D010375:Pedigree; D006109:Poaceae; D011058:Pollen; D011995:Recombination, Genetic; D006255:Rhinitis, Allergic, Seasonal / Q000235:genetics*
chemical_list: D006680:HLA Antigens