Piyanat Bejrachandra. 1996. Asymmetric and conventional screen-film systems for chest radiography : comparison of image quality and radiation dose. Faculty of Graduate Studies, Mahidol University;
Piyanat Bejrachandra. (1996) Asymmetric and conventional screen-film systems for chest radiography : comparison of image quality and radiation dose . Mahidol University/Bangkok.
Piyanat Bejrachandra. Asymmetric and conventional screen-film systems for chest radiography : comparison of image quality and radiation dose. . Bangkok:Mahidol University, 1996.
Piyanat Bejrachandra. (1996) Asymmetric and conventional screen-film systems for chest radiography : comparison of image quality and radiation dose . Mahidol University/Bangkok.