5Pasricha PJ,Ravich WJ,Kalloo AN.Effects of intrasphincteric botulinum toxin on the lower esophageal sphincter in piglets[J].Gastroenterology,1993,105(4):1045-1049.
6Pasricha PJ,Ravich WJ,Hendrix TR,et al.Treatment of achalasia with intrasphincteric injection of botulinum toxin:a pilot trial[J].Ann Intern Med,1994,121(8):590-591.
7Mikaeli J,Bishehsari F,Montazeri G,et al.Injection of botulinum toxin before pneumatic dilatation in achalasia treatment:a randomized-controlled trial[J].Aliment Pharmacol Ther,2006,24(6):983-989.
8Ellies M,Laskawi R,Gotz W,et al.Immunohistochemical and morphometric investigations of the influence of botulinum toxin on the submandibular gland of the rat[J].Eur Arch Otorhinolaryngol,1999,256(3):148-152.
9Pasricha PJ ,Rai R,Ravich WJ ,et al. Botulinum toxin for achalasia: long term outcome and predictors of response [J ]. Gastroenterology, 1996,110( 5 ) : 1410-1415.
10D'Onofrio V,Miletto P,Leandro G,et al. Long term follow up of achalasia patients treated with botulinum toxin[J]. Dig Liver Dis.2002,34(2):105-110.