Pelvic floor muscle training effect in sexual function in postmenopausal women: a randomized controlled trial - Franco, Maíra de Menezes; Pena, Caroline Caetano; Freitas, Leticia Maciel de; Antônio, Flávia Ignácio; Lara, Lúcia Alves da Silva; Ferreira, Cristine Homsi Jorge (Journal of Sexual Medicine, 2021)