with a view to assess the efficacy of intrathecal pentazocine for post-operative pain relief , 60 patients randomly divided into 6 equal groups were administered graded doses ( 0 , 1 , 2 , 3 , 4 and 5 mg respectively ) of pentazocine lactate , intrathecally along with 1 per cent bupivacaine .
C0030873
pentazocine
C0700554
pentazocine lactate