TY - JOUR AU - El-Naggar, A K; Westra, W H TI - p16 expression as a surrogate marker for HPV-related oropharyngeal carcinoma: a guide for interpretative relevance and consistency JO - Head Neck VL - 34 PY - 2012 DO - 10.1002/hed.21974 L3 - PubMed-ID: 22180304 SP - 459 EP - 461 ER -