The Effect of Breathing Techniques on Enhancing the Effect of Massage in Reducing the Pain in the Second Stage of Labour: A Parallel Randomized Clinical Trial. International Journal of Health Studies, [S. l.], v. 4, n. 2, 2019. DOI: 10.22100/ijhs.v4i2.439. Disponível em: http://ijhs.shmu.ac.ir/index.php/ijhs/article/view/439.. Acesso em: 3 may. 2024.