Authors: Allescher, HD Storr, M Seige, M Gonzales-Donoso, R Ott, R Born, P Frimberger, E Weigert, N Stier, A Kurjak, M Rosch, T Classen, M

Citation: Hd. Allescher et al., Treatment of achalasia: Botulinum toxin injection vs. pneumatic balloon dilation. A prospective study with long-term follow-up, ENDOSCOPY, 33(12), 2001, pp. 1007-1017