Botulinum toxin injections for achalasia symptoms can approximate the short term efficacy of a single pneumatic dilation: a survival analysis approach

The American Journal of Gastroenterology - Tập 94 - Trang 328-333 - 1999
Chandra Prakash1, Kenneth E Freedland2, Mary F Chan1, Ray E Clouse1
1Division of Gastroenterology, Washington University School of Medicine, St Louis, Missouri, USA
2Division of Medical Psychology in Psychiatry, Washington University School of Medicine, St. Louis, Missouri, USA