Canntab Therapeutics Announces Engagement of Relations Publiques Paradox Inc. for Investor Relations Services NOT FOR DISTRIBUTION TO U.S. NEWS WIRE SERVICES OR FOR DISSEMINATION IN THE U.S. TORONTO, March 28, 2019 (GLOBE NEWSWIRE) -- Canntab Therapeutics Limited (CSE: PILL) (the “Company” or “Canntab”) is...