1. A rich VIP nerve supply is characteristic of sphincters;ALUMETS. J.;Nature,1979
2. Vasoactive intestinal polypeptide gene expression is characteristically higher in opossum gastrointestinal sphincters;BANDYOPADHYAY A.;Gastroenterology,1994
3. Reply to letter. VIP messenger RNA in the sphincters in smooth muscle;BANDYOPADHYAY A.;Gastroenterology,1994
4. Role of nitric oxide as an inhibitory neurotransmitter in the canine pyloric sphincter;BAYGUINOV O.;Am. J. Physiol,1993
5. Nitric oxide synthase is deficient in the aganglionic colon of patients with Hirschsprung's disease;BEALER J.F.;Pediatrics,1994