title: Smooth muscle stimulating substances in the stinging nettle tree Obetia pinnatifida.
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects; D066298:In Vitro Techniques; D009130:Muscle, Smooth / Q000187:drug effects*; D010936:Plant Extracts / Q000494:pharmacology*; D010947:Plants, Toxic
chemical_list: D010936:Plant Extracts