2019 Nevada (12 HR) Track B – Digital Radiology B, Ethics & Law, Technique This track B 12 hr seminar consists of 5 hr Digital Radiology B, 3 hrs of Ethics & Law, plus 4 hr of Technique. admin 2019 (12HR) Track A- Digital Radiology, Physical Exam Documentation & Nutritional Ethics 2019 (3hr) Ethics by Dr Tong