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 1
Figure 1 Annual incidence rates of anal cancer among HIV-infected persons (circles) and the general population (squares), USA 1992-2003.