Items where Author is "Ahmed, Zakaria"
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Abdel-Salam, Osama and El-Sherif, Mohammed and Ahmed, Zakaria and Ali, Amir and Kamar, Wael and Abdelzaher, Amr (2018) Hypovitaminosis D Showed Gender and Seasonal Variations in Saudi Patients with Multiple Sclerosis. International Neuropsychiatric Disease Journal, 10 (4). pp. 1-11. ISSN 23217235