title: PHOTODYNAMIC BIOASSAY OF POLYCYCLIC ATMOSPHERIC POLLUTANTS.
mesh_terms: D000397:Air Pollution; D001681:Biological Assay; D002273:Carcinogens; D006801:Humans; D014481:United States
chemical_list: D002273:Carcinogens
keywords: AIR POLLUTION; CARCINOGENS; UNITED STATES