title: Melting, casting and shaping lead shielding blocks: method and toxicity aspects.
mesh_terms: D006801:Humans; D007854:Lead / Q000097:blood / Q000652:urine; D007855:Lead Poisoning / Q000517:prevention & control*; D008722:Methods; D011482:Protective Devices; D011835:Radiation Protection; D011882:Radiotherapy, High-Energy
chemical_list: D007854:Lead