(Was Dr. Heimlich's badgering), not science, The key reason why for that switch from again blows into the maneuver? Dr. William Montgomery, who chaired the 1985 CPR conference and at this time methods in Hawaii, and Dr. Roger White, who chaired panel conversations to the administration of international-physique airway obstructions http://beckettuzacd.bloguetechno.com/The-smart-Trick-of-CPR-That-Nobody-is-Discussing-21392127