title: [Small foci and their radiologic applications. Retrospective introduction].
mesh_terms: D000669:Amplifiers, Electronic; D002533:Cerebral Angiography; D002648:Child; D006801:Humans; D055095:Optics and Photonics; D010372:Pediatrics; D010781:Photography; D011856:Radiographic Image Enhancement; D011858:Radiographic Magnification; D013679:Technology, Radiologic / Q000295:instrumentation
vernacular_title: Les petits foyers et leurs applications radiologiques