Surgical probe design for a coincidence imaging system without a collimator. - Janet R. Saffer; Harrison H. Barrett; Herbert Bradford Barber; James M. Woolfenden (Image Vis. Comput., 1992)

Intraoperative tumor detection: relative performance of single-element, dual-element, and imaging probes with various collimators. - Neal E. Hartsough; Harrison H. Barrett; Herbert Bradford Barber; James M. Woolfenden (IEEE Trans. Medical Imaging, 1995)

Adaptive small-animal SPECT/CT. - L. R. Furenlid; J. W. Moore; M. Freed; Matthew A. Kupinski; Eric Clarkson; Z. Liu; D. W. Wilson; James M. Woolfenden; Harrison H. Barrett (ISBI, 2008)