International survey on diagnostic reference levels based on clinical indications in plain radiography. - Schegerer, Alexander A.; Stamm, Georg; Aberle, Christoph; Ammon, Josefin; Bazrafshan, Babak; Borowski, Markus; Eßeling, Rainer; Madsack, Bärbel; Menz, Roman; Müller, Constance; Oberhofer, Nadia; Renger, Bernhard; et al. (European Radiology, 2025)