title: Transmethylations and the central nervous system: introduction.
mesh_terms: D001921:Brain / Q000378:metabolism*; D006801:Humans; D008745:Methylation; D012436:S-Adenosylmethionine / Q000097:blood; D012559:Schizophrenia / Q000097:blood
chemical_list: D012436:S-Adenosylmethionine