00834cam a2200229 7i4500 0000008002 20080512090000.0 a20080512 10:00 080512 -cn NM NM RC78 .X73 1981 X-ray equipment in medical diagnosis. Part A : recommended safety procedures for installation and use. Ottawa: Authority of the Minister of National Health and Welfare, 1981. 101p.; 19cm. EHD series; 65 Safety code - 20A Radiography -- Instrumentations Diagnosis, Radioscopic -- Safety measures X-rays -- Safety measures Environmental Health Directorate. Health Protection Branch BP00002411 Book Open Shelf HQ Library