Egam, Adriana, Vera Iriani Abdullah, Mariana Isir, Fitra Duhita, and Alva Cherry Mustamu. 2024. “Effectiveness of Counterpressure Technique With a Birth Ball on Cervical Dilatation and Reduction of Labour Pain and Uterine Contractions: A Prospective Cohort Study”. Scripta Medica 55 (3): 297-305. https://doi.org/10.5937/scriptamed55-50565.