More Groups
Fewer Groups
More People
Fewer People
More Years
Fewer Years
More Publications
Fewer Publications
More Publishers
Fewer Publishers
Pratila, M. G.; Steinherz, L. J.; Pratilas, V. Journal of Cardiothoracic and Vascular Anesthesia (1993)
Herman, L. L.; Kurtz, R. C.; McKee, K. J.; Sun, M.; Thaler, H. T.; Winawer, S. J. Gastrointestinal Endoscopy (1993)