A new heart-sounds gating device for medical imaging. - Mark W. Groch; James R. Domnanovich; William D. Erwin (IEEE Trans. Biomed. Eng., 1992)

Principal Component Analysis of Multigated Cardiac Bloodpool Studies and Correction of Count-Deficient Frames. - Richard E. Wendt III; William D. Erwin; Mark W. Groch (CBMS, 2000)

Effect of Voxel Size and Computation Method on Tc-99m MAA SPECT/CT-Based Dose Estimation for Y-90 Microsphere Therapy. - Alexander S. Pasciak; William D. Erwin (IEEE Trans. Medical Imaging, 2009)