@article{ERKEK2021_491056, author={EDA ERKEK and Mine Akgun and Ilsev Ulu Aydinalp and muge ayanoglu and Hale Tuhan and AYÇA KOMÜRLÜOGLU and Ayse Tosun}, title={Is There a Relation Between Vitamin B₁₂ Levels and Headaches in Children and Adolescents?}, year={2021}, journal={İzmir Dr. Behçet Uz Çocuk Hastanesi Dergisi}, issn={2146-2372}, volume={28}, number={123}, url={http://search/yayin/detay/491056} }