title: Botulinum toxin for achalasia: to be or not to be?
authors.forename: D O
authors.initials: DO
authors.lastname: Castell
authors.forename: D A
authors.initials: DA
authors.lastname: Katzka
mesh_terms: D018726:Anti-Dyskinesia Agents / Q000191:economics / Q000627:therapeutic use*; D001905:Botulinum Toxins / Q000191:economics / Q000627:therapeutic use*; D004931:Esophageal Achalasia / Q000191:economics / Q000628:therapy*; D017048:Health Care Costs; D006801:Humans
chemical_list: D018726:Anti-Dyskinesia Agents; D001905:Botulinum Toxins