title: Beware the mask.
authors: Radiologic Technology Program, Presbyterian Hospital, Charlotte, NC 28204, USA. esshields@novanthealth.org
authors: Elizabeth
authors: E
authors: Shields
authors: Stewart Carlyle
authors: SC
authors: Bushong
mesh_terms: D006801:Humans; D011829:Radiation Dosage; D011832:Radiation Injuries / Q000209:etiology / Q000517:prevention & control*; D011835:Radiation Protection / Q000379:methods*; D011856:Radiographic Image Enhancement / Q000379:methods*; D011859:Radiography / Q000009:adverse effects*