Hayran, O. Et Al. 1999. Validation of a headache questionnaire based on IHS criteria in the Turkish headache prevalance study.. CEPHALALGIA , vol.19, no.4 , 417.

Hayran, O., SİVA, A., Zarifoglu, M., Idiman, F., Selekler, K., Irkec, C., ... Sarica, Y.(1999). Validation of a headache questionnaire based on IHS criteria in the Turkish headache prevalance study.. CEPHALALGIA , vol.19, no.4, 417.

Hayran, O Et Al. "Validation of a headache questionnaire based on IHS criteria in the Turkish headache prevalance study.," CEPHALALGIA , vol.19, no.4, 417, 1999

Hayran, O Et Al. "Validation of a headache questionnaire based on IHS criteria in the Turkish headache prevalance study.." CEPHALALGIA , vol.19, no.4, pp.417, 1999

Hayran, O. Et Al. (1999) . "Validation of a headache questionnaire based on IHS criteria in the Turkish headache prevalance study.." CEPHALALGIA , vol.19, no.4, p.417.

@article{article, author={O Hayran Et Al. }, title={Validation of a headache questionnaire based on IHS criteria in the Turkish headache prevalance study.}, journal={CEPHALALGIA}, year=1999, pages={417} }