More Groups
Fewer Groups
More People
Fewer People
More Years
Fewer Years
Lightdale, C. J.; Botet, J. F. American Journal of Gastroenterology (1988)
Zauber, A.; Winawer, S. J.; Diaz, B.; O'Brien, M.; Waye, J. D.; Schapiro, M.; Gottlieb, L. S.; Sternberg, S. S.; Panish, J.; Geenen, J.; more... American Journal of Gastroenterology (1988)
Ritchie, M. T.; Lightdale, C. J.; Botet, J. F. American Journal of Gastroenterology (1987)
Lightdale, C. J.; Zimbalist, E.; Winawer, S. J. American Journal of Gastroenterology (1987)
Shike, M.; Gillin, J. S.; Kemeny, N.; Daly, J. M.; Kurtz, R. C. American Journal of Gastroenterology (1986)
Rattner, H. M.; Cooper, D. J.; Zaman, M. B. American Journal of Gastroenterology (1985)