title: [Relation between age and frequency of blood groups].
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001789:Blood Group Antigens; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007074:Immunoglobulin G; D007223:Infant; D008875:Middle Aged; D010334:Paternity; D011044:Poland
chemical_list: D001789:Blood Group Antigens; D007074:Immunoglobulin G
vernacular_title: Wiek a czestość wystepowania niektórych cech układów grupowych krwi.