the mean cumulative excretion of radioactivity 5 days after the adenine administration to patients not receiving and receiving ( off and on ) allopurinol therapy was 6.1 % and 3.6 % of infused radioactivity for gouty subjects and 15.9 % and 20.8 % for the lesch-nyhan patients .
C0002144
allopurinol
C0018099
gouty