Al-Riyami, A.; Al-Manthary, N.; Al-Busafi, S. N.; Al-Saidi, S. H. Comparison of Chemical Composition and Antioxidant Activity of Essential Oil of Gum-Resin Obtained from Juniperus Excelsa and Boswellia Sacra. ajc 2017, 29, 2570-2574.