Pattern of “sleep spindles” in obstructive sleep apnea patientsI. Madaeva, O. Berdina, E. Titova and L. KolesnikovaEur. Phys. J. Spec. Top., 233 3 (2024) 699-703DOI: https://doi.org/10.1140/epjs/s11734-023-01049-3