For citations:
Shishkova VN, Adasheva TV. Chronic cerebral ischemia and headache in patients in primary care physician's practice. Nevrologiya, neiropsikhiatriya, psikhosomatika = Neurology, Neuropsychiatry, Psychosomatics. 2021;13(1):131-137. (In Russ.) https://doi.org/10.14412/2074-2711-2021-1-131-137