Showing 3,541 - 3,560 results of 4,219 for search '"Arabia"', query time: 0.06s Refine Results
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    Vegetation Cover Variation and Dust Frequency Analysis Over West of Asia by Mehdi Rahnama, Saviz Sehat, Sara Karami, Abbas Ranjbar, Noushin Khoddam

    Published 2023-09-01
    “…The lowest values of the VCI in the studied region are observed in the countries of Iraq, Syria, and Saudi Arabia; while the seasonal changes of VCI over Iran are not significant. …”
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  12. 3552

    Exploring the association between khat use and psychiatric symptoms: a systematic review by Betsy Edwards, Naomi Atkins

    Published 2022-07-01
    “…The quality of this meta-analysis was appraised using the Grading of Recommendations, Assessment, Development and Evaluations (GRADE) scoring system.Results 35 studies were eligible for inclusion (total participants=31 893), spanning 5 countries (Ethiopia, Somalia, Kenya, Saudi Arabia, UK). Meta-analysis suggests that khat use is associated with an 122% increased prevalence of psychiatric symptoms (OR 2.22, 95% CIs 1.76 to 2.79, p<0.00001, GRADE score: ‘very low’).Conclusions The high heterogeneity of the meta-analysis is likely due to the wide variation between the studies within the evidence base. …”
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