with a correction for this extrarenal purine loss , the mean cumulative excretions of radioactivity 5 days after adenine administration to patients off and on allopurinol therapy were 11.9 % and 4.8 % for the gouty subjects and 31.7 % and 24.5 % for the lesch-nyhan patients .
C0034140
purine
C0002144
allopurinol