1. Assessment of competence in clinical practice: a review of the literature;Girot;Nurse Educ Today,1993
2. Issues in competency-based testing;Brenner;Nurs Outlook,1982
3. A survey of radiographic impressions on a selected chiropractic patient population;Marchiori;J Manipulative Physiol Ther,1996
4. What do chiropractors see on x-rays?;Cooley,1990
5. Why do chiropractors order X-rays?;Hall,1990