For citations:

Sergeev AV. Cervicogenic headache and migraine: differential diagnosis and therapy. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2020;12(1):112-117. (In Russ.) https://doi.org/10.14412/2074-2711-2020-1-112-117