Low‐dose psilocybin in short‐lasting unilateral neuralgiform headache attacks: results from an open‐label phase Ib ascending dose study. - Rucker, James; Butler, Matt; Hambleton, Sadie; Bird, Catherine; Seynaeve, Mathieu; Cheema, Sanjay; Campbell‐Coker, Kete; Maggio, Carolina; Dunbar, Fiona; Lambru, Giorgio; Matharu, Manjit (Headache: The Journal of Head & Face Pain, 2024)