%0 Conference Paper %B Supported by Sanofi Synthelabo, presenting the results of the Blood Pressure Lowering Treatment Trialists' Collaboration %C Invited Canadian lecture tour to Halifax, Toronto, Ottawa, Quebec City and Montreal, Canada %D 2007 %F CVconference presentation %G eng %T How comparable are the effects of different classes of blood pressure lowering drugs on cardiovascular diseases.Invited Speaker, travel costs paid