WINGSTRAND, Hans; EGUND, Niels. Ultrasonography in hip joint effusion: Report of a child with transient synovitis. Acta Orthopaedica, [S. l.], v. 55, n. 4, p. 469–471, 1984. DOI: 10.3109/17453678408992397. Disponível em: https://actaorthop.org/actao/article/view/23424. Acesso em: 28 may. 2026.