Assessing the efficacy of Stemona collinsiae roots extract against third-stage larvae of Gnathostoma spinigerum and its safety profiles oleh Norinee Arlee, Sumate Ampawong, Sumet Kongkiatpaiboon, Yanin Limpanont, Kuntarat Arunrungvichian, Apanchanid Thepouyporn, Wallop Pakdee, Urusa Thaenkham