1. Analyzing physical characteristics and shielding efficiency for non-lead medical radiation shielding sheets improved using PMMA. Issue 3 (3rd April 2019) Authors: Kim, Seon Chil; Choi, Jeong Ryeol Journal: Radiation effects and defects in solids Issue: Volume 174:Issue 3/4(2019) Page Start: 284 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗