TY - GEN AU - Wyper,D J AU - Gillespie,F C TI - Quantitative method of evaluating focused collimators SN - 0161-5505 PY - 1971///0727 KW - Evaluation Studies as Topic KW - Humans KW - Light KW - Mathematics KW - Methods KW - Models, Theoretical KW - Optics and Photonics KW - Radionuclide Imaging KW - Technology, Radiologic N1 - Publication Type: Journal Article ER -