Quality assurance program of a respiratory gating irradiation system based on external and internal fiducial markers.
Revista de Física Médica,
[S. l.], v. 12, n. 3, 2011. Disponível em:
https://revistadefisicamedica.es/index.php/rfm/article/view/43. Acesso em: 2 feb. 2026.