title: Effect of age on the Gm:Pi linkage.
mesh_terms: D001789:Blood Group Antigens; D005260:Female; D008040:Genetic Linkage; D006801:Humans; D007074:Immunoglobulin G; D008297:Male; D008423:Maternal Age; D010331:Paternal Age; D011995:Recombination, Genetic; D000515:alpha 1-Antitrypsin
chemical_list: D001789:Blood Group Antigens; D007074:Immunoglobulin G; D000515:alpha 1-Antitrypsin