Swingwood, E., Stilma, W., Tume, L., Cramp, F., Paulus, F., Schultz, M., …Rose, L. (2020). The use of mechanical insufflation-exsufflation in invasively ventilated critically ill adults: A scoping review protocol. Systematic Reviews, 9(1), Article 287. https://doi.org/10.1186/s13643-020-01547-8