title: This is YourAir calling.
authors.forename: Charles W
authors.initials: CW
authors.lastname: Schmidt
mesh_terms: D000397:Air Pollution; D001249:Asthma; D040421:Cell Phone; D003657:Decision Making; D004784:Environmental Monitoring; D006293:Health Promotion; D006331:Heart Diseases; D006801:Humans; D008131:London; D010865:Pilot Projects; D011998:Recreation; D017215:Satellite Communications