Ott, S. R., L. Korostovtseva, M. Schmidt, T. Horvath, A.-K. Brill, and C. L. Bassetti. “Sleep-Disordered Breathing: Clinical Features, Pathophysiology and Diagnosis”. Swiss Medical Weekly, vol. 147, no. 2122, May 2017, p. w14436, doi:10.4414/smw.2017.14436.