Ottar Sjaastad

Posterior cranial fossa dimensions in the Chiari I malformation: Relation to pathogenesis and clinical presentation

Lars Jacob Stovner, Unni Bergan, Gunnar Nilsen et al. · Neuroradiology · 1993 · 250 citations

Neuroanatomy, Clinical Presentation, Neurology +5

Cluster Headache Prevalence. Vågå Study of Headache Epidemiology

Ottar Sjaastad, Bakketeig Ls · Cephalalgia · 2003 · 191 citations

Neurolysis of the Greater Occipital Nerve in Cervicogenic Headache. A Follow Up Study

Gunnar Bovim, T. A. Fredriksen, A Stolt-Nielsen et al. · Headache The Journal of Head and Face Pain · 1992 · 141 citations

Pain Medicine, Clinical Neurology, Neuropathic Pain +18

A NEW (?) CLINICAL HEADACHE ENTITY “CHRONIC PAROXYSMAL HEMICRANIA” 2.

Ottar Sjaastad, Inge Dale · Acta Neurologica Scandinavica · 1976 · 139 citations

Cluster Headache, Pain Disorders, Clinical Injury +15

Trigeminal Neuralgia. Clinical Manifestations of First Division Involvement

Ottar Sjaastad, Juan A. Pareja, Eliova Zukerman et al. · Headache The Journal of Head and Face Pain · 1997 · 113 citations