NEW STEPS TO MINIMIZE THE HAZARDS OF AIR POLLUTION--FOR PUBLIC AND VOLUNTARY AGENCIES: FOR THE DOCTOR AND HIS PATIENT.
D000397:Air Pollution; D006801:Humans; D007878:Legislation as Topic; D009938:Organizations; D010820:Physicians; D011634:Public Health; D014481:United States
AIR POLLUTION; LEGISLATION; PUBLIC HEALTH; UNITED STATES