Guler, Sabina; Brunner-Agten, Saskia; Bartenstein, Sophia; Bettschen, Hans Ueli; Geiser, Thomas; Keller, Peter; Funke, Manuela (2016). Oxygen Saturation of 75%, but No Symptoms! Respiration, 92(6), pp. 420-424. Karger 10.1159/000451030
