More Groups
Fewer Groups
More People
Fewer People
Jang, T. L.; Bekelman, J. E.; Liu, Y.; Bach, P. B.; Basch, E. M.; Elkin, E. B.; Zelefsky, M. J.; Scardino, P. T.; Begg, C. B.; Schrag, D. Archives of Internal Medicine (2010)
Begg, C. B.; Haile, R. W.; Borg, A.; Malone, K. E.; Concannon, P.; Thomas, D. C.; Langholz, B.; Bernstein, L.; Olsen, J. H.; Lynch, C. F.; more... JAMA - Journal of the American Medical Association (2008)