More Groups
Fewer Groups
More People
Fewer People
Miller, G.; Biernacki, P.; Kemeny, N. E.; Gonen, M.; Downey, R.; Jarnagin, W. R.; D'Angelica, M.; Fong, Y.; Blumgart, L. H.; DeMatteo, R. P. Journal of the American College of Surgeons (2007)