Authors:
Vaezi, MF
Richter, JE
Wilcox, CM
Schroeder, PL
Birgisson, S
Slaughter, RL
Koehler, RE
Baker, ME
Citation: Mf. Vaezi et al., Botulinum toxin versus pneumatic dilatation in the treatment of achalasia:a randomised trial, GUT, 44(2), 1999, pp. 231-239