Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 14, 2013; 19(46): 8745-8751
Published online Dec 14, 2013. doi: 10.3748/wjg.v19.i46.8745
Figure 1
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Figure 1 Distribution of volunteers according to age.
Figure 2
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Figure 2 Comparison of education years between healthy volunteers of various age groups (aP < 0. 05).
Figure 3
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Figure 3 Distribution of the results from the digit symbol test in healthy volunteers according to age (A) and education years (B).