- Optimization of Parallel-Hole Collimator for Small Gamma Camera Based on Pixellated Crystal Array
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Chung YH, Beak CH, Lee SJ, Park JH
- KMID: 2243972
- Korean J Med Phys.
- 2008 Dec;19(4):291-297.
The purpose of this study is to optimize a parallel-hole collimator for small gamma camera having the pixellated crystal array and evaluate the effect of crystal-collimator misalignment on the image... -
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- Monte Carlo Simulation Codes for Nuclear Medicine Imaging
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Chung YH, Beak CH, Lee SJ
- KMID: 1484980
- Nucl Med Mol Imaging.
- 2008 Apr;42(2):127-136.
Monte Carlo simulation methods are especially useful in studying a variety of problems difficult to calculate by experimental or analytical approaches. Nowadays, they are extensively applied to simulate nuclear medicine... -
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- Coded Aperture Gamma Camera for Thyroid Imaging: Monte Carlo Simulation
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Beak CH, Lee SJ, Chung YH
- KMID: 2243966
- Korean J Med Phys.
- 2008 Dec;19(4):247-255.
A coded aperture camera has been developed to improve the signal-to-noise ratio (SNR) while keeping the spatial resolution of a pinhole gamma camera. The purpose of this study was to... -
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- Development of a High Resolution SPECT Detector with Depth-encoding Capability for Multi-energy Imaging: Monte Carlo Simulation
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Beak CH, Hwang JY, Lee SJ, Chung YH
- KMID: 2243956
- Korean J Med Phys.
- 2010 Mar;21(1):93-98.
The aim of this work was to establish the methodology for event positioning by measuring depth of interaction (DOI) information and to evaluate the system sensitivity and spatial resolution of... -
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- The Anti-tumor Effect of Adoptive Immunotherapy with Dendritic Cells Cultured from the Bone Marrow in a Murine Squamous Cell Carcinoma Model
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Son YI, Kim KH, Sung MW, Beak CH, Chung SK, Chu KC, Seo IS
- KMID: 2274637
- Korean J Otolaryngol-Head Neck Surg.
- 2000 Feb;43(2):179-187.
BACKGROUND AND OBJECTIVES: It is known that patients with malignant tumor often have depressed antitumor immunity. Much information has been generated about a biologically-based therapy, which can induce or activate... -
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