two hundred and sixty male patients with gonorrhoea , allocated to 4 unequal groups , were treated with one single oral dose of : ( a ) 2 g epicillin plus 1 g probenecid , ( b ) 2 g epicillin alone , ( c ) 1 g epicillin , 1 g cephradine plus 1 g probenecid , and ( d ) 1 g epicillin and 1 g cephradine .
C0018081
gonorrhoea
C0033209
probenecid