@article{article177,
  title = {TISSUE TRACE ELEMENTS IN PATIENTS WITH HEAD AND NECK CANCER},
  author = {N AYAN,  and İNCİ AYAN,  and E BEDER,  and AHMET NAFİZ KARADENİZ,  and A OKAN GÜRSEL, },
  journal = {Turk J Oncol},
  year = {1990},
  volume = {5},
  pages = {1033-1036},
  doi = {}
}