J. A. Torquato, J. J. J. Lucato, T. Antunes, and C. V. Barbas, “ Interaction between intra-abdominal pressure and positive-end expiratory pressure ”, Clinics, vol. 64, no. 2, pp. 105–112, Feb. 2009, doi: 10.1590/S1807-59322009000200007.