2022 CA (12 HR) Track BN – Digital Radiology B, Ethics & Law, Technique Upper Cervical (Imported) 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 2020 HI (12 HR) Track B – Digital Radiology B, Ethics & Law, Technique 2022 – CA (5HR) Digital Radiology-Tong- A