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[en] This study was conducted to research radiation exposures by routine X-ray examinations in the hospitals to establish the guidance level in Japan. So a multicenter study was carried out to evaluate radiation doses in routine radiographic examinations. In this study, we investigated entrance surface doses of patients using direct measurement by TLD for 5 various types of radiography: Chest PA, Abdomen AP, Lumber spine AP, Lumber spine LAT and Pelvis AP. From the results, we examine the (a) need for introducing the guidance level in Japan, (b) controversial points in the calculation method for patient dose evaluation, (c) evaluation accuracy required for introducing the guidance level, and (d) necessity for a standardized method for patient dose evaluation. (author)
Source
International Atomic Energy Agency, Vienna (Austria); European Commission, Brussels (Belgium); Pan American Health Organization, Washington, DC (United States); World Health Organization, Geneva (Switzerland); 916 p; Mar 2001; p. 913-916; International conference on radiological protection of patients in diagnostic and interventional radiology, nuclear medicine and radiotherapy; Malaga (Spain); 26-30 Mar 2001; IAEA-CN--85-301; ISSN 1563-0153; 
; 4 refs, 3 figs, 1 tab
; 4 refs, 3 figs, 1 tab