More Groups
Fewer Groups
More People
Fewer People
Heelan, R. T.; Rusch, V. W.; Begg, C. B.; Panicek, D. M.; Caravelli, J. F.; Eisen, C. American Journal of Roentgenology (1999)
Hilton, S.; Herr, H. W.; Teitcher, J. B.; Begg, C. B.; Castellino, R. A. American Journal of Roentgenology (1997)