DR. M.VAIJAYANTHIMALA PH.D. Effectiveness of freedom of movement during first stage of labour. International Journal of Pharma and Bio Sciences, [S. l.], v. 8, n. 1, p. 53–62, 2017. DOI: 10.22376/ijpbs.2017.8.1.b53-62. Disponível em: https://ijpbs.net/index.php/journal/article/view/5635. Acesso em: 23 jul. 2026.