[Microphotometric studies of radiograms; contrast bands; the law of tangential incidence].
D015994:Incidence; D009422:Nervous System Diseases; D012106:Research; D014962:X-Ray Film; D014965:X-Rays
ROENTGENOGRAMS
Etudes microphotométriques de clichés; lisérés de contraste; loi des incidences tangentielles.