eighteen patients with essential tremor were treated for 2 days with a non-selective adrenergic beta-blocking drug ( dl-propranolol , 80 mg x 3 ) , a beta-2-selective blocker ( ici-118.551 , 50 mg x 3 ) and placebo ( x 3 ) in a randomized double blind cross-over study .
C0270736
essential tremor
C0033497
propranolol