title: Community health symposium. Part III: occupational disease and urban enviornment.
mesh_terms: D003153:Community Health Services; D004781:Environmental Exposure; D004785:Environmental Pollutants / Q000009:adverse effects; D006801:Humans; D008019:Life Style; D009784:Occupational Diseases / Q000139:chemically induced*; D009864:Ontario; D011156:Population Density; D014505:Urban Population
chemical_list: D004785:Environmental Pollutants