PERRET, L.; VALLEY, J. Use of and irradiation from plain lumbar spine radiography in Switzerland. Swiss Medical Weekly, [S. l.], v. 134, n. 2930, p. 419–419, 2004. DOI: 10.4414/smw.2004.10732. Disponível em: https://smw.ch/index.php/smw/article/view/398. Acesso em: 25 apr. 2024.