Treatment of benign esophageal stricture by Eder-Puestow or balloon dilators: a comparison between randomized and prospective nonrandomized trials.
Mayo Clin Proc. 1992 Mar;67(3):228-36. doi: 10.1016/s0025-6196(12)60097-4.
Mayo Clin Proc. 1992.
PMID: 1545589
Clinical Trial.