Radiography Monte Carlo Radiotherapy Tomography Brachytherapy Breast --Ultrasonic imaging Cerrobend blocks Computer-Assisted -- methods Dental enamel Diagnostic imaging --Data processing Drugs--Dose-response relationship Electron contamination--Monte carlo simulation Fetus Fluoroscopy Fluoroskopi Hydrogen IMRT Medical -- Digital techniques Medical --Digital techniques Monte Carlo method POLYETHYLENE Radio adaptations Radiographic Radiography --methods Radioisotope brachytherapy Radioisotope renography Silicates Simulation methods Sinar X 6 MV Thermoluminescent Thermoluminiscence dosimeter Thyroid gland -- Research Tomography -- Case studies