SITEPU, Aprilita; YUNI MANURUNG. the Level of Knowledge of Third Trimester Pregnant Women About Birthing Ball Therapy To Reduce Pain During Childbirth at Helen Tarigan Clinic in 2022. Science Midwifery, [S. l.], v. 10, n. 3, p. 2128–2133, 2022. DOI: 10.35335/midwifery.v10i3.597. Disponível em: https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/597. Acesso em: 1 may. 2026.