title: Environmental contamination by lead and cadmium in plants from urban area of Madrid, Spain.
mesh_terms: D002104:Cadmium / Q000032:analysis*; D004785:Environmental Pollutants / Q000032:analysis*; D007854:Lead / Q000032:analysis*; D010944:Plants / Q000032:analysis*; D011891:Rain; D012621:Seasons; D013030:Spain; D001335:Vehicle Emissions / Q000032:analysis
chemical_list: D004785:Environmental Pollutants; D001335:Vehicle Emissions; D002104:Cadmium; D007854:Lead