title: The diazo method. A simplified method of preparing multicolor combination images for use in roentgen diagnosis.
mesh_terms: D000792:Angiography; D001391:Azo Compounds; D003116:Color; D003720:Densitometry; D006801:Humans; D007089:Image Enhancement; D008722:Methods; D013382:Subtraction Technique; D013679:Technology, Radiologic
chemical_list: D001391:Azo Compounds