title: Quality assurance protocol for digital subtraction angiographic units.
mesh_terms: D000792:Angiography / Q000379:methods* / Q000592:standards; D001315:Australia; D006748:Hospital Departments / Q000592:standards*; D006801:Humans; D009520:New Zealand; D011785:Quality Assurance, Health Care; D011856:Radiographic Image Enhancement; D011872:Radiology Department, Hospital / Q000592:standards*; D013382:Subtraction Technique