More Groups
Fewer Groups
More People
Fewer People
More Years
Fewer Years
Marghoob, A. A.; Usatine, R. P.; Jaimes, N. American Family Physician (2013)
Gerber, D. E.; Chan, T. A. American Family Physician (2008)
Brooks, D. D.; Winawer, S. J.; Rex, D. K.; Zauber, A. G.; Kahi, C. J.; Smith, R. A.; Levin, B.; Wender, R. American Family Physician (2008)
Oeffinger, K. C.; Sklar, C. A.; Hudson, M. M. American Family Physician (2003)
Grossfeld, G. D.; Wolf, J. S. Jr; Litwin, M. S.; Hricak, H.; Shuler, C. L.; Agerter, D. C.; Carroll, P. R. American Family Physician (2001)
Barakat, R. R. American Family Physician (1994)
Liberman, L. American Family Physician (1992)
Vetto, J. T.; Kinne, D. W. American Family Physician (1991)