2024 CA (12 HR) Track B – Digital Radiology B, Ethics & Law, Technique This CA track B 12 hr seminar consists of 5 hr Digital Radiology B, 3 hrs of Ethics & Law , plus 4 hr of Technique. admin 2024 CA (12 HR) Track A- Digital Radiology, Physical Exam Documentation & Nutritional Ethics 2024 – CA (5HR) Digital Radiology-Tong- A