More Groups
Fewer Groups
More People
Fewer People
Kraus, D. H.; Dubner, S.; Harrison, L. B.; Strong, E. W.; Hajdu, S. I.; Kher, U.; Begg, C.; Brennan, M. F. Cancer (1994)
Shah, J. P.; Loree, T. R.; Dharker, D.; Strong, E. W.; Begg, C.; Vlamis, V. Elsevier Inc. (1992)