- Guthrie Corning Hospital
- Guthrie Robert Packer Hospital
- Guthrie Troy Community Hospital
- Abdominal Surgery
- Cancer Surgery
- Endocrine Surgery
- Parathyroid Surgery
- Stomach Cancer Resection
- Thyroid Surgery
- American Board of Surgery
- American Board of Surgery-Surgical Criticial Care
- Hahnemann University School of Medicine, Philadelphia, Pa.
- Allentown Affiliated Hospitals, Allentown, Pa.
- American College of Surgeons
- American Association of Endocrine Surgeons
- Society for Surgery of the Alimentary Tract
- Pennsylvania Oncologic Society
- Society of Critical Care Medicine
- American Society of General Surgeons
- Malignant transformation in perianal fistulas of Crohn's disease: a systematic review of literature.
Thomas M, Bienkowski R, Vandermeer TJ, Trostle D, Cagir B.
J Gastrointest Surg. 2010 Jan;14(1):66-73. doi: 10.1007/s11605-009-1061-x. Epub 2009 Oct 14. Review.