@article {Green1538, author = {Michael V. Green and J{\"u}rgen Seidel and Stacey D. Stein and Thomas E. Tedder and Kenneth M. Kempner and Caroline Kertzman and Tom A. Zeffiro}, title = {Head Movement in Normal Subjects During Simulated PET Brain Imaging with and without Head Restraint}, volume = {35}, number = {9}, pages = {1538--1546}, year = {1994}, publisher = {Society of Nuclear Medicine}, issn = {0161-5505}, URL = {https://jnm.snmjournals.org/content/35/9/1538}, eprint = {https://jnm.snmjournals.org/content/35/9/1538.full.pdf}, journal = {Journal of Nuclear Medicine} }