The awareness and desirability of pain relief in labour among pregnant women in Zaria. Port Harcourt Medical Journal, [S. l.], v. 10, n. 3, p. 115–118, 2016. DOI: 10.60787/phmj.v10i3.50. Disponível em: http://mail.phmj.org.ng/index.php/home/article/view/50. Acesso em: 14 may. 2025.