I dunno if it'll help but here's his work:
Journal Papers
W. Mullally, M. Betke, J. Wang, and J. P. Ko, "Segmentation of Nodules on Chest Computed Tomography for Growth Assessment." Medical Physics, 31(4), pp. 839-848, April 2004. Link to publisher.
Conference Papers
W. Mullally, M. Betke, H. Hong, J. Wang, K. Mann, and J. P. Ko, "Multi-criterion 3D Segmentation and Registration of Pulmonary Nodules on CT: A Preliminary Investigation," International Conference on Diagnostic Imaging and Analysis, ICDIA 2002, pp. 176-181, Shanghai, China, August 2002. pdf .
M. Betke, W. Mullally, "Preliminary Investigation of Real-Time Monitoring of a Driver in City Traffic." Proceedings of the IEEE International Conference of Intelligent Vehicles, IV 2000, Dearborn, MI, October 2000. pdf (color), pdf (bw), ps.Z, ps.
M. Betke, W. Mullally, J. Magee, "Active Detection of Eye Scleras in Real Time." Proceedings of the IEEE CVPR Workshop on Human Modeling, Analysis and Synthesis, HMAS 2000, Hitlon Head Island, SC, June 2000. pdf, ps, ps.gz.
I don't know which one is the lungs one--I think the top. I could find out.