title: The effects of parental age on some phenotype frequencies in Down's syndrome.
mesh_terms: D000135:Acid Phosphatase / Q000097:blood; D000328:Adult; D000367:Age Factors; D000410:Alanine Transaminase / Q000097:blood; D004314:Down Syndrome / Q000201:enzymology / Q000235:genetics*; D004912:Erythrocytes / Q000201:enzymology; D005260:Female; D006242:Haptoglobins / Q000032:analysis; D006579:Heterozygote; D006801:Humans; D008297:Male; D008423:Maternal Age; D010290:Parents; D010641:Phenotype; D010733:Phosphoglucomutase / Q000097:blood
chemical_list: D006242:Haptoglobins; D000410:Alanine Transaminase; D000135:Acid Phosphatase; D010733:Phosphoglucomutase