More Groups
Fewer Groups
More People
Fewer People
More Years
Fewer Years
More Publications
Fewer Publications
More Publishers
Fewer Publishers
Steffens, T. A.; Bajorin, D. F.; Houghton, A. N. World Journal of Surgery (1992)
Scotto, K. W.; Biedler, J. L.; Melera, P. W. Science (1986)