More Groups
Fewer Groups
More People
Fewer People
Levin, T. T.; Li, Y.; Weiner, J. S.; Lewis, F. B. S.; Bartell, A.; Piercy, J.; Kissane, D. W. Palliative and Supportive Care (2008)
Elkin, E. B.; Kim, S. H. M.; Casper, E. S.; Kissane, D. W.; Schrag, D. Journal of Clinical Oncology (2007)