Showing 2,981 - 3,000 results of 3,467 for search '"Saudi Arabia"', query time: 0.05s Refine Results
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    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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    Obtaining commercial humic products from uncomposted manures: previous acid hydrolysis to enhance yields by Carla Bellera, Issa Abaalkheel, Pere Rovira, Jamal Alrefai

    Published 2024-02-01
    “…Purpose In Saudi Arabia, owing to the abundant livestock, manures are a source of commercial humic amendments. …”
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