Document Type : Original Quantitative and Qualitative Research Paper
10. Ghaemi M, Bagheri H. Cmparison of Success Rate of Three Methods of Nasogastric Intubation.komesh. 1390;12(4):402-6.(Persian)
11. Khan H, Khan I, Gupta A, Hussain N, Nageshwaran S. OSCEs for Medical Finals.1en ed. UK: Black well;2013.
12. Duri R, Venkatraman R. Nasogastric Tube Insertion Technique and Confirming Position. Nursing times. April 2009; 105:16.
13. Penrod J, Morse J, Wilson sh. Comforting Strategies uUsed During Nasogastric Tube Insertion.journal of clinical nursing.1999; 8:31-8.
14. Rojhani sherazi. Effect of Cold and Pain Thresholds in Women 18 to 25 Years. Journal of Babol University of Medical Sciences.1380;3(3):26-9.(Persian)
15. Craven F, Hirnle J. Fundamental of Nursing. 4nd Ed. New York: Lippincott Williams and Wilkins; 2003.
16. Taylor C. Clinical Nursing Skills. 3nd ed. China: Lippincott Williams and Wilkins; 2011.
17. Potter PA, Perry AG. Fundamental of Nursing. 7nd ed. Canada (NY): Mosby Elsevier; 2009.
18. Department of emergency medicine university of Ottawa. Nasogastric Tube Insertion (hompage on the internet). C 2013. Available from: http://www.med.ottawa.ca/procedure/ng/.
19. Harold C, Jane E. Factors Affecting Nasogastric Tube Insertion: Critical Care Medicine. 1984: Vol12:52-3.