%0 Journal Article %T Treating Achalasia: From Whalebone to Laparoscope %A Spiess, Anita E. %A Kahrilas, Peter J. %J JAMA %V 280 %N 7 %P 638-642 %@ 0098-7484 %D 1998-08-19 %I American Medical Association %~ DeepDyve