title: [Environmental contamination by heavy metals and related health problems].
mesh_terms: D000042:Absorption; D000397:Air Pollution; D004777:Environment; D004782:Environmental Health; D006801:Humans; D007854:Lead; D007855:Lead Poisoning; D008628:Mercury; D008670:Metals / Q000378:metabolism
chemical_list: D008670:Metals; D007854:Lead; D008628:Mercury