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<http://schema.org/headline>
" Dichrostachys cinerea (L.) Wight et Arn (Mimosaceae) hydro-alcoholic extract action on the contractility of tracheal smooth muscle isolated from guinea-pig"
<https://bmccomplementmedtherapies.biomedcentral.com/articles/10.1186/1472-6882-11-23/figures/3>