TAYWADITHEP, K. Comparison of radiation and light field congruence between a developed collimator test tool and a standard collimator test tool in the general X-ray units of Lamphun Province hospitals. Journal of Associated Medical Sciences, [S. l.], v. 59, n. 3, p. 85–91, 2026. DOI: 10.66285/JAMS.2026.081. Disponível em: https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/284426. Acesso em: 1 oct. 2026.