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	1.	Environmental risk factors for refractive error among Egyptian schoolchildren. [electronic resource] by Saad, A El-Bayoumy, B M Producer: 20071120 In: Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit vol. 13 Availability: No items available. Save to lists Add to cart (remove)
	2.	Prevalence of refractive error and low vision among schoolchildren in Cairo. [electronic resource] by El-Bayoumy, B M Saad, A Choudhury, A H Producer: 20070919 In: Eastern Mediterranean health journal = La revue de sante de la Mediterranee orientale = al-Majallah al-sihhiyah li-sharq al-mutawassit vol. 13 Availability: No items available. Save to lists Add to cart (remove)

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