TI - Is headache only headache? Comorbidity of headaches and mental disorders AU - Akyildiz, K. AU - Sercan, M. AU - Yildiz, N. AU - Cevik, A. AU - Kiyan, A. SO - Dusunen Adam Journal of Psychiatry and Neurological Sciences 2015;28:34-46. DO - 10.5350/DAJPN2015280104