Division of Colon and Rectal Surgery
The Pennsylvania State University
USA
Dr. Walter A Koltun is currently working at Division of Colon and Rectal Surgery, College of Medicine, The Pennsylvania State University, His research interest is based on Crohn's disease, Colorectal Surgery, Molecular Biology, Ulcerative Colitis, Inflammatory Bowel Diseases, Inflammatory bowel disease genetics. He has published many articles in reputed journals.