[1]
P. G. J. M. Alves, R. de C. Cavalli, D. M. M. Bertacini, and P. Driusso, “Effects of antenatal pelvic floor preparation techniques on the perineal integrity: a randomized controlled trial protocol”, Int J Clin Trials, vol. 3, no. 4, pp. 203–209, Oct. 2016.