Assessing Intra-Arab Trade Integration and Potential: Evidence from the Stochastic Frontier Gravity Model حسب Ebaidalla, Ebaidalla M.

"…The results also reveal that the influence of “behind the border” constraints on trade flows between Arab countries has been decreasing over time. Moreover, the efficiency scores of intra-Arab trade indicate a relatively low degree of trade integration among Arab countries.…"
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Cost-effectiveness research in cancer therapy: A systematic review of literature trends, methods and the influence of funding حسب Al-Badriyeh, Daoud

"…The usage of prospective data, however, has been decreasing (p<0.001) in relation to randomised clinical trials (RCTs), but is unchanging for non-RCT studies. …"
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