van Meurs, W. L., Sá Couto, P. M., Sá Couto, C. D., Bernardes, J. F., & Ayres-de-Campos, D. (2003). Development of foetal and neonatal simulators at the University of Porto. Medical Education, SupplementMed. Educ. Suppl., 37(1), 29 - 33.

Sá Couto, P. M., van Meurs, W. L., Bernardes, J. F., Marques De Sá, J. P., & Goodwin, J. A. (2002). Mathematical model for educational simulation of the oxygen delivery to the fetus. Control Engineering PracticeControl Eng. Pract., 10(1), 59 - 66.