However , systemic exposure , as indicated by maximum concentrations and a limited number of samples above the lower limit of quantification ( LLOQ , 0.1 ng / mL ) , increased with the dose and with the time period of treatment .
However , systemic exposure , as indicated by maximum concentrations and a limited number of samples above the lower limit of quantification ( LLOQ , 0.1 ng / mL ) , increased with the dose and with the time period of treatment .
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