title: [Periodic structure of collagen fibrils and technics of preparation. 3. Action of concentrated urea].
mesh_terms: D000818:Animals; D003094:Collagen; D006168:Guinea Pigs; D006652:Histological Techniques; D008854:Microscopy, Electron; D014508:Urea / Q000494:pharmacology*
chemical_list: D014508:Urea; D003094:Collagen
vernacular_title: Struttura periodica delle fibrille collagene e tecniche di preparazione. 3. Azione dell'urea concentrata.