More Groups
Fewer Groups
More People
Fewer People
Armstrong, D.; Gold, J. W. M.; Dryjanski, J.; Whimbey, E.; Polsky, B.; Hawkins, C.; Brown, A. E.; Bernard, E.; Kiehn, T. E. Annals of Internal Medicine (1985)
Mittelman, A.; Wong, G.; Safai, B.; Myskowski, P.; Gold, J.; Koziner, B. The American Journal of Medicine (1985)