KOWNAKLAI, J. .; PHANWICHATKUL, T.; CHAICHAN, A.; LEE, A. . Effectiveness of Spontaneous Pushing versus Valsalva Pushing in the Second Stage of Labor on Maternal and Neonatal Outcomes: A Systematic Review and Meta-analysis. Pacific Rim International Journal of Nursing Research, [S. l.], v. 28, n. 2, p. 407–420, 2024. DOI: 10.60099/prijnr.2024.264145. Disponível em: https://he02.tci-thaijo.org/index.php/PRIJNR/article/view/264145. Acesso em: 15 may. 2024.