Rodenstein, D., Stanescu, D., Delguste, P., Liistro, G., & Auberttulkens, G. (1989). Adaptation To Intermittent Positive Pressure Ventilation Applied Through the Nose During Day and Night. The European Respiratory Journal, 2(5), 473-478. https://hdl.handle.net/2078.5/41756 (Original work published 1989)