title: Chromosomal study of patients with psoriasis treated with amethopterin.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002875:Chromosomes / Q000187:drug effects*; D005826:Genetics, Medical; D006801:Humans; D007621:Karyotyping; D007962:Leukocytes / Q000166:cytology*; D008297:Male; D008727:Methotrexate / Q000627:therapeutic use*; D008875:Middle Aged; D011565:Psoriasis / Q000188:drug therapy / Q000473:pathology*
chemical_list: D008727:Methotrexate