1. National Cancer Center. Cancer statistics. Goyang: National Cancer Center; 2013.
2. National Cancer Center. Cancer statistics. Goyang: National Cancer Center; 2012.
3. Park SM, Chang YJ, Yun YH, Yoo TW, Huh BY, Kwon S. Cost-effectiveness analysis of colorectal cancer screening in Korean general population. J Korean Acad Fam Med 2004;25:297-306.
5. Health Quality Ontario. Screening methods for early detection of colorectal cancers and polyps: summary of evidence-based analyses. Ont Health Technol Assess Ser 2009;9:1-65.
6. Zauber AG, Winawer SJ, O'Brien MJ, Lansdorp-Vogelaar I, van Ballegooijen M, Hankey BF, et al. Colonoscopic polypectomy and longterm prevention of colorectal-cancer deaths. N Engl J Med 2012;366:687-696. PMID:
22356322.
7. Yang HK. Makyeonhan duryeum, daejangnaesikyeng gumsa. Healthchosun. 2015. 6 03 Korean
8. Bae JY. Deajangnaesikyeng gipihaneun eu algoboni. HealthKorea News. 2011. 12 07 Korean
9. Lee YC, Wang HP, Chiu HM, Lin CP, Huang SP, Lai YP, et al. Factors determining post-colonoscopy abdominal pain: prospective study of screening colonoscopy in 1000 subjects. J Gastroenterol Hepatol 2006;21:1575-1580. PMID:
16928219.
10. Sumanac K, Zealley I, Fox BM, Rawlinson J, Salena B, Marshall JK, et al. Minimizing postcolonoscopy abdominal pain by using CO(2) insufflation: a prospective, randomized, double blind, controlled trial evaluating a new commercially available CO(2) delivery system. Gastrointest Endosc 2002;56:190-194. PMID:
12145595.
11. Yamano HO, Yoshikawa K, Kimura T, Yamamoto E, Harada E, Kudou T, et al. Carbon dioxide insufflation for colonoscopy: evaluation of gas volume, abdominal pain, examination time and transcutaneous partial CO2 pressure. J Gastroenterol 2010;45:1235-1240. PMID:
20635100.
12. Hsu WF, Hu WH, Chen YN, Lai HH, Chen MK, Chang LC, et al. Carbon dioxide insufflation can significantly reduce toilet use after colonoscopy: a double-blind randomized controlled trial. Endoscopy 2014;46:190-195. PMID:
24573730.
13. Sajid MS, Caswell J, Bhatti MI, Sains P, Baig MK, Miles WF. Carbon dioxide insufflation vs conventional air insufflation for colonoscopy: a systematic review and meta-analysis of published randomized controlled trials. Colorectal Dis 2015;17:111-123. PMID:
25393051.
14. Lee JG, Vigil H, Leung JW. A randomized controlled trial of total colonic decompression after colonoscopy to improve patient comfort. Am J Gastroenterol 2001;96:95-100. PMID:
11197295.
15. Kim JK, Park JW, Song KS, Kim HJ, Lee IB, Yoon JB, et al. Effectiveness of a rectal tube for relief of pain after colonoscopy. Korean J Gastrointest Endosc 1999;19:41-45.
16. Steinberg EN, Howden CW. Randomized controlled trial of rectal tube placement for the management of abdominal distension following colonoscopy. Gastrointest Endosc 1997;46:444-446. PMID:
9402119.
17. Jenkins HH, Spencer ED, Weissgerber AJ, Osborne LA, Pellegrini JE. Correlating an 11-point verbal numeric rating scale to a 4-point verbal rating scale in the measurement of pruritus. J Perianesth Nurs 2009;24:152-155. PMID:
19500747.
18. Ferreira-Valente MA, Pais-Ribeiro JL, Jensen MP. Validity of four pain intensity rating scales. Pain 2011;152:2399-2404. PMID:
21856077.
19. Wong DL, Baker CM. Pain in children: comparison of assessment scales. Okla Nurse 1988;33:8PMID:
3368206.
20. Hawker GA, Mian S, Kendzerska T, French M. Measures of adult pain: Visual Analog Scale for Pain (VAS Pain), Numeric Rating Scale for Pain (NRS Pain), McGill Pain Questionnaire (MPQ), Short-Form McGill Pain Questionnaire (SF-MPQ), Chronic Pain Grade Scale (CPGS), Short Form-36 Bodily Pain Scale (SF-36 BPS), and Measure of Intermittent and Constant Osteoarthritis Pain (ICOAP). Arthritis Care Res (Hoboken) 2011;63(Suppl 1):S240-S252. PMID:
22588748.
21. Stevenson GW, Wilson JA, Wilkinson J, Norman G, Goodacre RL. Pain following colonoscopy: elimination with carbon dioxide. Gastrointest Endosc 1992;38:564-567. PMID:
1397911.
22. Andrews PL. Vagal afferent innervation of the gastrointestinal tract. Prog Brain Res 1986;67:65-86. PMID:
3823483.
23. Grundy D. Speculations on the structure/function relationship for vagal and splanchnic afferent endings supplying the gastrointestinal tract. J Auton Nerv Syst 1988;22:175-180. PMID:
3047201.
24. Parkman HP, Ma RC, Stapelfeldt WH, Szurszewski JH. Direct and indirect mechanosensory pathways from the colon to the inferior mesenteric ganglion. Am J Physiol 1993;265(3 Pt 1):G499-G505. PMID:
7692742.
25. Ma RC, Szurszewski JH. Modulation by opioid peptides of mechanosensory pathways supplying the guinea-pig inferior mesenteric ganglion. J Physiol 1996;491(Pt 2):435-445. PMID:
8866866.