Treatment of achalasia with intrasphincteric injection of botulinum toxin. A pilot trial.
Pasricha P, Ravich W, Hendrix T, Sostre S, Jones B, Kalloo A. Treatment of achalasia with intrasphincteric injection of botulinum toxin. A pilot trial. Annals Of Internal Medicine 1994, 121: 590-1. PMID: 8085691, DOI: 10.7326/0003-4819-121-8-199410150-00006.Peer-Reviewed Original Research