title: Promoting walking and cycling as an alternative to using cars: vested interests doom puny healthcare interventions.
authors.forename: Douglas J
authors.initials: DJ
authors.lastname: Carnall
mesh_terms: D001334:Automobile Driving; D001642:Bicycling / Q000523:psychology*; D016265:Conflict of Interest; D015438:Health Behavior; D006293:Health Promotion; D006801:Humans; D016138:Walking / Q000523:psychology*