title: Rat thiopurine methyltransferase assay procedure, developmental changes and strain variation.
mesh_terms: D000493:Allopurinol / Q000494:pharmacology; D000818:Animals; D004229:Dithiothreitol / Q000494:pharmacology; D004912:Erythrocytes / Q000201:enzymology; D007422:Intestines / Q000201:enzymology; D007668:Kidney / Q000201:enzymology; D008297:Male; D008780:Methyltransferases / Q000378:metabolism*; D051381:Rats / Q000254:growth & development / Q000378:metabolism*; D013045:Species Specificity; D013154:Spleen / Q000201:enzymology
chemical_list: D000493:Allopurinol; D008780:Methyltransferases; C022745:thiopurine methyltransferase; D004229:Dithiothreitol