TY - JOUR TI - Systemic Therapy in Recurrent or Metastatic Squamous Cell Head and Neck Cancer AU - KILADZE, I. AU - ÖZYİĞİT, G. AU - DUBINSKY, P. AU - FILIPOVIC, N. AU - JEREMIC, B. JO - Turk J Oncol PY - 2021 VL - 36 SP - 519 EP - 528 DO - 10.5505/tjo.2021.2849 ER -