PT - JOURNAL ARTICLE AU - Richard J. Medford AU - Irving E. Salit TI - Anal cancer and intraepithelial neoplasia: epidemiology, screening and prevention of a sexually transmitted disease AID - 10.1503/cmaj.140476 DP - 2015 Feb 03 TA - Canadian Medical Association Journal PG - 111--115 VI - 187 IP - 2 4099 - http://www.cmaj.ca/content/187/2/111.short 4100 - http://www.cmaj.ca/content/187/2/111.full SO - CMAJ2015 Feb 03; 187