Nishiyama 1994 . CNS effects shown by a battery of 20 tests in rats and mice show similarities for A. calamus and alpha-asarone Vohora 1990 . Research on the anticarcinogenic activation of Acorus calcamus. Liu 1983 . In vitro study of the expectorant effect of phenylpropane derivatives of hazelwort.
Active substances form Asarum europaeum.
Gracza 1981 . Dandiya 1968 . Bannerjee 1967 . Maj 1966 . Dandiya 1965 .