RT Journal Article SR Electronic T1 Acetylcholine induces contractile and relaxant effects in canine nasal venous systems JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society DO 10.1183/09031936.06.00075905 A1 M. Wang A1 M.A. Lung YR 2006 UL http://erj.ersjournals.com/content/early/2006/05/31/09031936.06.00075905.abstract AB