Boujelbene, N., F. Elloumi, M. E. Kamel, H. Abeidi, O. Matzinger, R.-O. Mirimanoff, and K. Khanfir. “Stereotactic Body Radiation Therapy in Stage I Inoperable Lung Cancer: From Palliative to Curative Options”. Swiss Medical Weekly, vol. 143, no. 2122, May 2013, p. w13780, doi:10.4414/smw.2013.13780.