title: [Effect of blood withdrawal in late cutaneous porphyria. (Comparison with treatment with methionine and vitamin PP)].
mesh_terms: D000328:Adult; D001815:Bloodletting; D006801:Humans; D008297:Male; D008715:Methionine / Q000627:therapeutic use*; D009536:Niacinamide / Q000627:therapeutic use*; D011164:Porphyrias / Q000628:therapy*; D012871:Skin Diseases / Q000628:therapy*
chemical_list: D009536:Niacinamide; D008715:Methionine
vernacular_title: Action des soustractions sanguines dans la porphyrie cutanée tardive. (Comparaison avec le traitement par méthionine et vitamine PP)