“..we tend to look for things that are easy or what we are familiar with. I looked at doing DOT exams, drug collections and breath alcohol tests…. Let me tell you I did not know we as Chiropractors could do those exams before taking Dr. Smith’s seminar.  After going to the seminar I am doing these tests in my office. “ Dr. G.B, IL  (he also does 20 or so physicals every other week for a trucking school.)