Oliveira, C.; Lopes, M. A. B.; Rodrigues, A. S.; Zugaib, M.; Francisco, R. P. V. Influence of the Prone Position on a Stretcher for Pregnant Women on Maternal and Fetal Hemodynamic Parameters and Comfort in Pregnancy. Clinics 2017, 72 (6), 325-332. https://doi.org/10.6061/clinics/2017(06)01.