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The first author claims that this resulted in a balanced dataset inclusive of the sample countries and further states that the imputation of missing values based on variablespecific trend will not change the result and large number of observations will produce more stable estimated coefficients
Enhanced microcirculation delivers increased nutrients and oxygen while removing metabolic waste more efficiently
Inductively coupled plasma mass spectrometer (Agilent technologies 7700 series, USA) was used for quantitative analysis of the total ruthenium contents from different samples and cells
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