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Abstract Heavy metals are a group of pollutants in biological sludge. Many agencies regulated guidelines for heavy metal concentrations for various applications of sludge such as agricultural application. In this study, we tried to determine […]
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Abstract Background: Surgical intervention is one of the common therapeutic interventions applied to a vast class of diseases. Unwarranted variation in practice style in different locations is considered as practice style variations (PSVs), which cause […]
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Abstract Background: The payment system is pivotal in implementing policies in the health sector. Equitable access to healthcare is the main principle of the payment system. Aims: This study aimed to investigate aspects of the […]
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