A controversy that has been tough to swallow: is the treatment of achalasia now digested?
Roll GR; Rabl C; Ciovica R; Peeva S; Campos GM; Journal Of Gastrointestinal Surgery: Official Journal Of The Society For Surgery Of The Alimentary Tract, 2010, vol. 14 Suppl 1, p S33, ISSN 18734626. ISBN 18734626.
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