More Groups
Fewer Groups
More People
Fewer People
Oliveira, A. C.; Lima, E. D. R. P.; De Paula Lima, A. American Journal of Surgery (2007)
Katz, S. C.; Bowne, W. B.; Wolchok, J. D.; Busam, K. J.; Jaques, D. P.; Coit, D. G. American Journal of Surgery (2007)