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Guan YS, Sun L, Li X, Zheng XH.Guan YS, et al. Among authors: sun l.World J Gastroenterol. 2004 Dec 1;10(23):3534-6. doi: 10.3748/wjg.v10.i23.3534.World J Gastroenterol. 2004.PMID: 15526381Free PMC article.
Guan YS, Sun L, Zhou XP, Li X, Zheng XH.Guan YS, et al. Among authors: sun l.World J Gastroenterol. 2004 Dec 15;10(24):3543-8. doi: 10.3748/wjg.v10.i24.3543.World J Gastroenterol. 2004.PMID: 15534903Free PMC article.Review.
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Li X, Guan YS, Zhou XP, Sun L, Liu Y, He Q, Fu L, Mao YQ.Li X, et al. Among authors: sun l.Sichuan Da Xue Xue Bao Yi Xue Ban. 2005 Mar;36(2):217-20.Sichuan Da Xue Xue Bao Yi Xue Ban. 2005.PMID: 15807271Chinese.
Guan YS, Sun L, Zhou XP, Li X, Fei ZJ, Zheng XH, He Q.Guan YS, et al. Among authors: sun l.World J Gastroenterol. 2005 May 7;11(17):2684-6. doi: 10.3748/wjg.v11.i17.2684.World J Gastroenterol. 2005.PMID: 15849836Free PMC article.
Guan YS, Liu Y, Sun L, Li X, He Q.Guan YS, et al. Among authors: sun l.World J Gastroenterol. 2005 Jun 28;11(24):3803-5. doi: 10.3748/wjg.v11.i24.3803.World J Gastroenterol. 2005.PMID: 15968745Free PMC article.
Sun L, Guan YS, Wu H, Pan WM, Li X, He Q, Liu Y.Sun L, et al.World J Gastroenterol. 2006 May 7;12(17):2798-9. doi: 10.3748/wjg.v12.i17.2798.World J Gastroenterol. 2006.PMID: 16718774Free PMC article.