|Radiology is a medical field that works the practice of imaging to both analyze and treat disease imagined within the body. Radiologists use an collection of imaging technologies such as X-ray radiography, ultrasound, computed tomography (CT), nuclear medicine, positron emission tomography (PET) and magnetic resonance imaging (MRI) to analyze or treat diseases. Interventional radiology is the usually minimally invasive medical procedures with the guidance of imaging technologies.
Open Access articles are immediately, freely available on their Web site, a model mostly funded by charges paid by the author (usually through a research grant). The alternative for a researcher is self-archiving (i.e., to publish in a traditional journal, where only subscribers have immediate access, but to make the article available on their personal and/or institutional Web sites.