Ferla, Lia, Caroline Darski, Luciana Laureano Paiva, Graciele Sbruzzi, and Adriane Vieira. 2017. “Synergism Between Abdominal and Pelvic Floor Muscles in Healthy Women: A Systematic Review of Observational Studies”. Fisioterapia Em Movimento (Physical Therapy in Movement) 29 (2). https://doi.org/10.1590/0103-5150.029.002.AO19.