Books By Daniel P. Geisler - Author

Daniel P Geisler  Program Director and Chief Colorectal Surgery Saint Vincent Health Center Allegheny Health Network Colorectal Physicians & Surgeons of Pennsylvania Erie, PA Deborah S Keller, MS MD  Penn State Hershey Medical Center Hershey, PA Eric M Haas, MD FACS FASCRS  Department of Surgery Division of Minimally Invasive Colon and Rectal Surgery Colorectal Surgical Associates LLP LTD  Houston, TX