SAMAL, S. K.; RATHOD, S.; PADHI, M. A comparative study between manual vacuum aspiration and electrical vacuum aspiration for the first trimester medical termination of pregnancy. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 3, n. 1, p. 139–143, 2016. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/777. Acesso em: 7 oct. 2025.