Composition and Antimicrobial Activity of Essential Oils from Leaves and Twigs of Magnolia hookeri var. longirostrata D.X.Li & R. Z. Zhou and Magnolia insignis Wall. in Ha Giang Province of Vietnam

Chu T. T. HA,Dinh T. T. THUY,Vu Q. NAM,Nguyen K. B. TAM,William N. SETZER