An A level video with basic descriptions of the use of image improvement techniques in X rays.
How X-rays form Images of the Body, by Andreas Maier
Diagnostic X-Rays - Physics: AQA A Level
A level Medical Physics - X rays - attenuation part 1
Intensifying Screens
Fluoroscopy - an overview
X-Ray Image Intensifier - an overview
X-Ray Imaging Physics for Nuclear Medicine Technologists. Part 1
How Fluoroscopy Works Indications And Physics Of X-ray
Image Quality Characteristics 2012