TY - JOUR AU - Hung, S-H; Tsai, M-C; Liu, T-C; Lin, H-C; Chung, S-D TI - Routine endoscopy for esophageal cancer is suggestive for patients with oral, oropharyngeal and hypopharyngeal cancer JO - PLoS One IS - 08 VL - 8 PY - 2013 DO - 10.1371/journal.pone.0072097 L3 - PubMed-ID: 23977217 SP - e72097 ER -