@article{article41030ccd,
title   = {The role of endothelin pathway in modulation of airway reactivity to methacholine in C57Bl/6 and BALB/c mice},
author = {Landgraf, Richardt Gama and Jancar, Sonia},
year = {2008},
doi = {10.1016/j.ejphar.2008.06.015},
journal   = {European Journal of Pharmacology}
}