http://www.ecigarettedirect.co.uk/ashtray-blog/2016/02/propylene-glycol-e-cigarettes.html#comments
5150sick Under Ground Hustler Staff member VU Administrator Senior Moderator VU Donator Diamond Contributor Press Corps Member For 5 Years Mod Team Leader Feb 12, 2016 #1 http://www.ecigarettedirect.co.uk/ashtray-blog/2016/02/propylene-glycol-e-cigarettes.html#comments