8Larsson LI,Fahrenkrug J, Schaffalitzky de Mackadell,Sundler F, et al. Localisation of vasoactive intestinal polypeptide (VIP) to central and peripheral neuroues. Proceedings of the National Academy of science of the United States of America ,73,3197-3200.
9Smet PJ,Moore KH,Jonavicius J, Distribution and colocalization of calcitonin gene - related peptide, tachykinins,and vasoactive intestinal peptide in normal idiopathic unstable human urinary bladder. Lab Invest, 1997,77( 1 ) :37-49.
10Cu J,Rstroic K. Vasoactive intestinal polypeptide in the normal and unstable bladder. Br J Urol , 1983,55:645-647.