Ahmed AM, Tashima H, Yamaya T. 「Investigation of spatial resolution improvement by use of a mouth-insert detector in the helmet PET scanner」Radiol Phys Technol.

Ahmed AM, Tashima H, Yamaya T. 「Investigation of spatial resolution improvement by use of a mouth-insert detector in the helmet PET scanner」Radiol Phys Technol. 2017 Oct.
https://www.ncbi.nlm.nih.gov/pubmed/28986818