The Effect of Oxytocin Massage on Breast Milk Production in Postpartum Mothers at RSUD Dr. M. Thomsen Nias. HORIZON: Indonesian Journal of Multidisciplinary, [S. l.], v. 4, n. 4, p. 4136–4145, 2026. DOI: 10.54373/hijm.v4i4.5693. Disponível em: https://ejournal.indo-intellectual.id/index.php/hijm/article/view/5693. Acesso em: 12 aug. 2026.