Dempster, B. Scientific study report: a multi centre randomised, double blind, placebo controlled, parallel group comparison of the consequences of cannabis based drugs standardised extracts above four months, in patients with Persistent refractory agony because of several sclerosis or other defects of neurological operate. GW Pharma Ltd Analyze Code: GWPS0105 https://matthews642gaw6.wikitidings.com/user