%0 Journal Article %A Ayanoğlu, Müge %A Tuhan, Hale %A Komürlüoglu, Ayça %A Tosun, Ayse %T Is There a Relation Between Vitamin B₁₂ Levels and Headaches in Children and Adolescents? %D 2021 %J J Behcet Uz Child Hosp %P 73-79 %V 11 %N 1 %R 10.5222/buchd.2021.32767 %U https://dx.doi.org/10.5222/buchd.2021.32767