THE EFFECT OF ENDORPHIN MASSAGE ON BACK PAIN IN THIRD-TRIMESTER PREGNANT WOMEN. Proceedings OPTIMAL, [S. l.], v. 4, n. 1, 2026. DOI: 10.5281/gfm8qj65. Disponível em: https://proceedings.nuansafajarcemerlang.com/index.php/ico/article/view/246. Acesso em: 5 nov. 2026.