Back to the whale bone?
Smout
A J
AJ
Department of Gastroenterology, Utrecht University Hospital, PO Box 85500, 3508 GA Utrecht, The Netherlands.
D019274:Botulinum Toxins, Type A / Q000627:therapeutic use; D002404:Catheterization / Q000379:methods; D004931:Esophageal Achalasia / Q000628:therapy*; D006801:Humans
D019274:Botulinum Toxins, Type A