NASUTION, Helmi wardah. Relationship of Knowledge with Breastfeeding Mother’s Attitude About Oxytosin Massage On The Smoothness Ofreast Milk Elisabet Purba New Midwife Clinic South Panyabungan District Year 2021. Science Midwifery, [S. l.], v. 10, n. 1, October, p. 71–77, 2021. Disponível em: https://midwifery.iocspublisher.org/index.php/midwifery/article/view/142. Acesso em: 23 aug. 2026.