@article{doi:10.5505/ejm.2019.53315, author = {Çağaç, Aydın}, title = {Relationship between Vitamin D deficiency and Chronic Tension-type Headache}, journal = {Eastern J Med}, volume = {24}, number = {4}, pages = {536-538}, year = {2019}, doi = {10.5505/ejm.2019.53315}, note ={doi: 10.5505/ejm.2019.53315}, URL = {https://dx.doi.org/10.5505/ejm.2019.53315}, eprint = {https://dx.doi.org/10.5505/ejm.2019.53315} }