title: The effect of different purines and pyrimidines on human pyrimidine biosynthesis.
mesh_terms: D000493:Allopurinol / Q000494:pharmacology; D004032:Diet; D004912:Erythrocytes / Q000201:enzymology; D006801:Humans; D009963:Orotic Acid / Q000652:urine*; D009964:Orotidine-5'-Phosphate Decarboxylase / Q000097:blood; D011685:Purine Nucleotides / Q000494:pharmacology*; D011742:Pyrimidine Nucleotides / Q000494:pharmacology*; D011743:Pyrimidines / Q000096:biosynthesis*
chemical_list: D011685:Purine Nucleotides; D011742:Pyrimidine Nucleotides; D011743:Pyrimidines; D009963:Orotic Acid; D000493:Allopurinol; D009964:Orotidine-5'-Phosphate Decarboxylase