Heazell, Alexander E.P., and Peter Stone. “Comments: Influence of the Prone Position on a Stretcher for Pregnant Women on Maternal and Fetal Hemodynamic Parameters and Comfort in Pregnancy”. Clinics 74 (May 15, 2019): e878. Accessed April 5, 2025. https://revistas.usp.br/clinics/article/view/158006.