PSY3 A META-ANALYSIS OF RANDOMIZED, DOUBLE-BLIND, PLACEBO-CONTROLLED TRIALS OFTHE EFFICACY OF BOTULINUM TOXIN A FOR THE PROPHYLAXIS OF CHRONIC MIGRAINE HEADACHES
Abstract
Authors
AJ Shuhendler S Lee M Siu SL Ondovcik K Lam A Alabdullatif X Zhang M Machado TR Einarson