%0 Journal Article %T Systemic Therapy in Recurrent or Metastatic Squamous Cell Head and Neck Cancer %A KILADZE, I. %A ÖZYİĞİT, G. %A DUBINSKY, P. %A FILIPOVIC, N. %A JEREMIC, B. %J Turk J Oncol %D 2021 %V 36 %P 519-528 %R 10.5505/tjo.2021.2849