TY - GEN AU - Hasegawa,B H AU - Dobbins,J T AU - Naimuddin,S AU - Peppler,W W AU - Mistretta,C A TI - Geometrical properties of a digital beam attenuator system SN - 0094-2405 PY - 1987///0810 KW - Humans KW - Models, Anatomic KW - Radiography, Thoracic KW - instrumentation N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1118/1.596086 ER -