The effectiveness of abdominal stretching exercise versus breathing relaxation with nature sounds on the level of dysmenorrhea. Healthcare in Low-resource Settings, [S. l.], v. 13, n. s1, 2025. DOI: 10.4081/hls.2025.13416. Disponível em: https://www.pagepressjournals.org/hls/article/view/13416. Acesso em: 17 jun. 2026.