Posted on January 19, 2016January 23, 2016 by Steve Norris LESSON 4 – RADIATION UNITS OF MEASURE TOPIC 4_6 DOSE EQUIVALENT (Sv) FROM X-RAYS Lesson Progress 0% Complete https://rcexraytraining.com/rce/wp-content/uploads/2016/01/Topic_4_6.mp3 Previous Topic Back to Lesson