If you want to know more about RadBio:
Wikipedia has an extensive entry on Radiobiology, including history facts, tables of doses and effects. Overall a pretty extensive and well put together source of information.
https://en.wikipedia.org/wiki/Radiobiology
This extensive series of lectures (there is audio files, powerpoint presentations…) provided by the American Society for Therapeutic Radiology and Oncology, is a go to source for students and teachers.
https://www.astro.org/Affiliate/ARRO/Resident-Resources/Educational-Resources/Radiobiology-Lectures
The Radiate project students attended a series of workshops and scientific lectures, which are available for download, as part of an e-learning module.
http://www.radiate.eu/e-learning/
RadBio 