title: [Comparative study by electron microscope of hyalin substance in various types of porphyria].
mesh_terms: D006801:Humans; D006818:Hyalin; D008854:Microscopy, Electron; D011164:Porphyrias / Q000473:pathology*
vernacular_title: Etude comparative au microscope électronique de la substance hyaline dans divers types de porphyrie.