title: Long-term treatment of porphyria cutanea tarda with low chloroquine doses.
mesh_terms: D000328:Adult; D002738:Chloroquine / Q000627:therapeutic use*; D004305:Dose-Response Relationship, Drug; D006801:Humans; D008107:Liver Diseases / Q000188:drug therapy; D008297:Male; D008875:Middle Aged; D011164:Porphyrias / Q000188:drug therapy*; D012871:Skin Diseases / Q000188:drug therapy*
chemical_list: D002738:Chloroquine