@article {hilal1978investigation,
	title = {Investigation of the volatile oil of Hyssopus officinalis},
	journal = {Egypt Pharm. Sci},
	volume = {19},
	year = {1978},
	note = {n/a},
	pages = {177{\textendash}184},
	abstract = {n/a},
	author = {Hilal, J and Sayed, H. and Taha S. El-Alfy and El-Sherei, Mo-Shera M}
}
