Burns N, Grove SK.The Practice of Nursing Research: Conduct, Critique, & Utilization. 4th ed.Philadelphia: WB Saunders; 2001.
2.
Streubert Speziale H, Rinaldi Carpenter D.Qualitative Research in Nursing. 3rd ed.New York: Lippincott; 2003.
3.
Garrod J.Health Sciences Literature Review Made Easy: The Matrix Method. Maryland: Aspen Publishers; 1999.
4.
Evidence Based Medicine Working Group. Examples of literature sources: evidence based medicine tool kit. University of Alberta. Available at: http://www.med.ualberta.ca/ebm/litsources.html. Accessed August 2003.
5.
Stamler LL.Developing and refining the research question: step 1 in the research process. Diabetes Educ. 2002;28: 958-962.
