PT - JOURNAL ARTICLE AU - Palma, David A. AU - Nichols, Anthony C. TI - Human papillomavirus in head and neck cancer AID - 10.1503/cmaj.130849 DP - 2013 Jan 01 TA - Canadian Medical Association Journal PG - cmaj.130849 4099 - http://www.cmaj.ca/content/early/2013/12/02/cmaj.130849.short 4100 - http://www.cmaj.ca/content/early/2013/12/02/cmaj.130849.full