Occupational poisoning from inorganic lead, mercury and cadmium.
D002105:Cadmium Poisoning / Q000175:diagnosis*; D004781:Environmental Exposure; D006801:Humans; D007855:Lead Poisoning / Q000175:diagnosis*; D008630:Mercury Poisoning / Q000175:diagnosis*; D009784:Occupational Diseases / Q000139:chemically induced*