The importance of 2 views in the combined antegrade-retrograde dilation procedure

• Leonard T. Walsh, MD,
• Matthew T. Moyer, MD, MS

Affiliations

Leonard T. Walsh, MD

Department of Internal Medicine, Hershey, Pennsylvania, USA

Matthew T. Moyer, MD, MS

Division of Gastroenterology and Hepatology, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania, USA