@article{doi:, author = {Aygül, Recep and Deniz, Orhan and Orhan, Asuman and Koçak, Nuri and Kaya, M. Dursun and Ulvi, Hızır}, title = {R-R interval variation in migraine patients}, journal = {Eastern J Med}, volume = {11}, number = {1}, pages = {1-6}, year = {2006}, doi = {}, note ={doi: }, URL = {https://dx.doi.org/}, eprint = {https://dx.doi.org/} }