title: [Ultrastructural study of urinary lithiasis. Oxalo-calcic lithiasis. I: Helicoid fibers].
mesh_terms: D002129:Calcium Oxalate / Q000032:analysis*; D004577:Electron Probe Microanalysis; D006801:Humans; D008855:Microscopy, Electron, Scanning; D014545:Urinary Calculi / Q000378:metabolism / Q000473:pathology*
chemical_list: D002129:Calcium Oxalate
vernacular_title: Estudio ultraestructural de la litiasis urinaria. Litiasis óxalo-cálcica. I: Fibras helicoidales.