title: The videovolumeter. A new desk-top instrument for real time videodensitometric analysis of dynamic contrast agent changes in roentgen images.
mesh_terms: D015502:Absorptiometry, Photon / Q000295:instrumentation*; D000792:Angiography; D002306:Cardiac Volume; D003287:Contrast Media; D006331:Heart Diseases / Q000000981:diagnostic imaging; D006801:Humans; D008433:Mathematics; D013679:Technology, Radiologic; D014743:Videotape Recording
chemical_list: D003287:Contrast Media