1. Specificity of xanthine oxidase;Lorz,1956
2. Binding of substrates and inhibitors to xanthine oxidases from different species;Elion,1964
3. Enzymatic and metabolic studies with allopurinol;Elion;Ann. Rheumat. Dis.,1966
4. Effects of a xanthine oxidase inhibitor on thiopurine metabolism, hyperuricemia and gout;Rundles;Tr. A. Am. Physicians,1963
5. Effects of allopurinol in relation to purine biosynthesis;Hitchings;Ann. Rheumat. Dis.,1966