"Plain radiographic examinations "
"1.2 mSv ~ 292 days background radiation"
"The average background radiation in Australia is 1.5 mSv per year, and this article will use the Australian yearly background radiation as a reference point 3."
"Background radiation"
Expected headings
"CT examinations"
"Plain radiographic examinations "
"The general public's understanding of ionising radiation is limited 1; this article provides a basic comparison of common medical imaging examinations in contrast to natural background radiation."