title: [Useful magnification as a function of the dimensions of the x-ray focus and of the softness of enhancing screens].
mesh_terms: D000792:Angiography; D001842:Bone and Bones / Q000000981:diagnostic imaging; D002533:Cerebral Angiography; D008433:Mathematics; D055095:Optics and Photonics; D011856:Radiographic Image Enhancement; D011858:Radiographic Magnification; D012886:Skull / Q000000981:diagnostic imaging; D013679:Technology, Radiologic / Q000295:instrumentation
vernacular_title: Agrandissement utile en fonction des dimensions du foyer de rayons + et du flou des écrans renforcateurs