title: Liver ultrastructure in methotrexate treatment of psoriasis.
mesh_terms: D000328:Adult; D000368:Aged; D001707:Biopsy, Needle; D005260:Female; D006801:Humans; D008099:Liver / Q000187:drug effects / Q000473:pathology*; D008297:Male; D008727:Methotrexate / Q000627:therapeutic use*; D008854:Microscopy, Electron; D008875:Middle Aged; D011565:Psoriasis / Q000188:drug therapy*
chemical_list: D008727:Methotrexate