TY - RPRT TI - A grid diaphragm image diffuser for secondary radiation control. AU - R W McNeill PY - 1966 DO - 10.1043/0003-3219(1966)036<0063:agdidf>2.0.co;2 UR - https://pubmed.ncbi.nlm.nih.gov/5218763/ ID - 5218763 ER -