title: Lead: sources, exposure and possible carcinogenicity.
mesh_terms: D000818:Animals; D002273:Carcinogens; D004781:Environmental Exposure; D006801:Humans; D007408:Intestinal Absorption; D007854:Lead / Q000378:metabolism / Q000633:toxicity*; D007855:Lead Poisoning / Q000209:etiology*; D009369:Neoplasms / Q000139:chemically induced
chemical_list: D002273:Carcinogens; D007854:Lead