title: Biomethylation of toxic elements in the environment.
mesh_terms: D001151:Arsenic; D001711:Biotransformation; D055598:Chemical Phenomena; D002621:Chemistry; D007501:Iron; D007854:Lead; D008628:Mercury; D008745:Methylation; D010084:Oxidation-Reduction; D012436:S-Adenosylmethionine / Q000378:metabolism*; D013763:Tetrahydrofolates / Q000378:metabolism; D014001:Tin; D014805:Vitamin B 12 / Q000031:analogs & derivatives* / Q000378:metabolism
chemical_list: D013763:Tetrahydrofolates; D007854:Lead; D014001:Tin; D012436:S-Adenosylmethionine; D007501:Iron; D008628:Mercury; D001151:Arsenic; D014805:Vitamin B 12