For citations:

Arutyunyan G.G., Agaltsov M.V., Davtyan K.V., Drapkina O.M. The combination of atrial fibrillation and obstructive sleep apnea — is there a connection? Russian Journal of Cardiology. 2018;(12):119-124. (In Russ.) https://doi.org/10.15829/1560-4071-2018-12-119-124