@article {el2009polysomnographic,
	title = {Polysomnographic aging in normal elderly Egyptians},
	journal = {Egypt J Neurol Psychiat Neurosurg},
	volume = {46},
	number = {2},
	year = {2009},
	note = {n/a},
	abstract = {n/a},
	author = {El-Kholy, Saly and Hasanin, Adel and Hosny, Hanan and Mostafa, Shahira and El Shazly, Nihal and El-Gohary, Amira and Samir, Shaimaa}
}
