Relaxant effects of the essential oil of Eucalyptus tereticornis and its main constituent 1,8-cineole on guinea-pig tracheal smooth muscle. - Coelho-de-Souza,L.N.; Leal-Cardoso,J.H.; de Abreu Matos,F.J.; Lahlou,S.; Magalhães,P.J. (Planta Med, 2005)