Air medical journal
This article was published in Air Medical Journal, Vol 14, Panacek, E. A., & Thompson, C. B., Basics of research (part 3): Research study design, 139-146, Copyright Air Medical Journal Associates (1995)
Panacek, Edward A. and Thompson, Cheryl, "Basics of research (part 3): Research study design" (1995). Journal Articles: College of Nursing. 16.