Impact of Strong Valsalva Maneuvers on Maternal Cardiac Function During the Second Stage of Labor. Vascular and Endovascular Review, [S. l.], v. 8, n. 2s, p. 48–54, 2025. Disponível em: https://verjournal.com/index.php/ver/article/view/204. Acesso em: 8 apr. 2026.