More Groups
Fewer Groups
More People
Fewer People
Emanuel, D.; Cunningham, I.; Jules-Elysee, K.; Brochstein, J. A.; Kernan, N. A.; Laver, J.; Stover, D.; White, D. A.; Fels, A.; Polsky, B.; more... Annals of Internal Medicine (1988)
Emanuel, D.; Peppard, J.; Chehimi, J.; Hammerling, U.; O'Reilly, R. Elsevier Inc. (1987)