More Groups
Fewer Groups
More People
Fewer People
Hann, L. E.; Kim, C. M.; Gonen, M.; Barakat, R.; Choi, P.; Bach, A. M. Journal of Ultrasound in Medicine (2003)
Coakley, F. V.; Choi, P. H.; Gougoutas, C. A.; Pothuri, B.; Venkatraman, E.; Chi, D.; Bergman, A.; Hricak, H. Radiology (2002)