Review
Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Jul 7, 2011; 17(25): 2987-2991
Published online Jul 7, 2011. doi: 10.3748/wjg.v17.i25.2987
Figure 2
Figure 2 Percentage of anal cancer diagnosed among us veterans by age group (1998-2004). HIV: Human immunodeficiency virus.