@misc{indiciae8dc9c065d4de, title = {Photon beam dosimetry at a blocked beam edge using diffusion approximation.}, author = {I J Das and K R Kase and J E Kelley and B L Werner}, year = {1992}, doi = {10.1088/0031-9155/37/4/008}, url = {https://pubmed.ncbi.nlm.nih.gov/11419479/}, note = {Source identifier: 11419479} }