Original Article The Pilot Study of the Government Pharmaceutical Organization (GPO) Cannabis Extracts for Multiple Sclerosis (MS) Spasticity Treatment in Thailand Nat Pongsuthimanus, Saharat Aungsumart, Metha Apiwattanakul The prevalence of spasticity in multiple sclerosis patients is nearly 90%. Most of the patients didn’t respond to the current anti-spastic drug. ตุลาคม - ธันวาคม 2564