- Guthrie Corning Hospital
- Guthrie Robert Packer Hospital
- Anal Incontinence
- Cancer Surgery
- Colorectal Cancer
- Inflammatory Bowel Disease
- Surgical Treatment of Rectal Cancer
- New Rochelle Hospital Medical Center, New Rochelle, N.Y.
- American Board of Surgery
- University of Ankara School of Medicine, Sihhiye, Ankara, Turkey
- Thomas Jefferson University, Philadelphia, Pa.