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. Author manuscript; available in PMC: 2015 Feb 2.
Published in final edited form as: JAMA Otolaryngol Head Neck Surg. 2014 Sep;140(9):846–854. doi: 10.1001/jamaoto.2014.1338

Figure 1. Layout of Patient Groups by Human Papillomavirus Type 16 Status.

Figure 1

A, Saliva pretreatment and posttreatment samples; B, plasma pretreatment and posttreatment samples; and C, combined saliva and plasma pretreatment and posttreatment samples. HPV+ indicates human papillomavirus positive; and HPV−, human papillomavirus negative.