title: Videodensitometric studies by a new method of quantitating the amount of contrast medium.
mesh_terms: D015502:Absorptiometry, Photon / Q000379:methods*; D000790:Angiocardiography; D000818:Animals; D001783:Blood Flow Velocity; D001794:Blood Pressure; D002302:Cardiac Output; D003201:Computers; D003287:Contrast Media; D003973:Diatrizoate; D004395:Dye Dilution Technique; D004562:Electrocardiography; D006334:Heart Function Tests; D013552:Swine; D014743:Videotape Recording
chemical_list: D003287:Contrast Media; D003973:Diatrizoate