TY - GEN AU - Bourland,J D AU - Chaney,E L TI - A finite-size pencil beam model for photon dose calculations in three dimensions SN - 0094-2405 PY - 1993///0111 KW - Cobalt Radioisotopes KW - Computer Simulation KW - Gamma Rays KW - Humans KW - Image Processing, Computer-Assisted KW - Models, Structural KW - Monte Carlo Method KW - Radiometry KW - methods KW - Radiotherapy Dosage KW - Water N1 - Publication Type: Journal Article UR - https://doi.org/10.1118/1.596772 ER -