1.
Torelli P, Castellini P, Cucurachi L. Cluster headache prevalence: methodological considerations. A review of the literature. Acta Biomed [Internet]. 2006 Apr. 1 [cited 2024 Jul. 18];77(1):4-9. Available from: https://mattioli1885journals.com/index.php/actabiomedica/article/view/1979