@article {1809.09073, archivePrefix = {arXiv}, eprint = {1809.09073}, primaryClass = {physics.med-ph}, author = {P. A. Mayorga and L. Brualla and A. Flühs and W. Sauerwein and A. M. Lallena}, title = {Testing Monte Carlo absolute dosimetry formalisms for a small field `D'-shaped collimator used in retinoblastoma external beam radiotherapy}, publisher = {Institute of Physics}, year = {2018}, doi = {10.1088/2057-1976/2/6/065008}, url = {http://arxiv.org/abs/1809.09073} }