title: The association of HLA-B18 with increased male offspring in paternal backcross matings.
mesh_terms: D003433:Crosses, Genetic; D005260:Female; D006680:HLA Antigens / Q000235:genetics*; D006801:Humans; D008297:Male; D014176:Protein Biosynthesis; D011948:Receptors, Antigen, T-Cell / Q000235:genetics; D012744:Sex Ratio; D014998:Y Chromosome; D001613:beta 2-Microglobulin / Q000235:genetics
chemical_list: D006680:HLA Antigens; D011948:Receptors, Antigen, T-Cell; D001613:beta 2-Microglobulin