YENIGÜL, Ali Erkan; ERCAN, Fedi. The relationship between upper extremity pain and ultrasound use in the perinatologist. The European Research Journal, [S. l.], v. 8, n. 2, p. 282–289, 2022. DOI: 10.18621/eurj.1030750. Disponível em: https://eurj.org.tr/article/view/639. Acesso em: 5 apr. 2026.