1. Yim JY, Kim N, Choi SH, Kim YS, Cho KR, Kim SS, Seo GS, Kim HU, Baik GH, Sin CS, et al. Seroprevalence of Helicobacter pylori in South Korea. Helicobacter. 2007; 12:333–340.
2. Gong EJ, Yun SC, Jung HW, Lim H, Choi KS, Ahn JY, Lee JH, Kim DH, Choi KD, Song HJ, et al. Meta-analysis of first-line triple therapy for Helicobacter pylori eradication in Korea: is it time to change? J Korean Med Sci. 2014; 29:704–713.
3. Hwang TJ, Kim N, Kim HB, Lee BH, Nam RH, Park JH, Lee MK, Park YS, Lee DH, Jung HC, et al. Change in antibiotic resistance of Helicobacter pylori strains and the effect of A2143G point mutation of 23S rRNA on the eradication of H. pylori in a single center of Korea. J Clin Gastroenterol. 2010; 44:536–543.
4. Kim BG, Lee DH, Ye BD, Lee KH, Kim BW, Kim SG, Kim SW, Kim SK, Kim JJ, Kim HY, et al. Comparison of 7-day and 14-day proton pump inhibitor-containing triple therapy for Helicobacter pylori eradication: neither treatment duration provides acceptable eradication rate in Korea. Helicobacter. 2007; 12:31–35.
5. Yoon H, Lee DH, Kim N, Park YS, Shin CM, Kang KK, Oh DH, Jang DK, Chung JW. Meta-analysis: is sequential therapy superior to standard triple therapy for Helicobacter pylori infection in Asian adults? J Gastroenterol Hepatol. 2013; 28:1801–1809.
6. Kim SY, Lee SW, Hyun JJ, Jung SW, Koo JS, Yim HJ, Park JJ, Chun HJ, Choi JH. Comparative study of Helicobacter pylori eradication rates with 5-day quadruple "concomitant" therapy and 7-day standard triple therapy. J Clin Gastroenterol. 2013; 47:21–24.