In the injection sites, the amoxicillin concentrations were 5822 to 149831 µg/ kg at day 1, below the limit of quantification to 21724 µg/ kg at day 7, below the limit of quantification to 1651 µg/ kg at day 14, below the limit of quantification to 472 µg/ kg at day 21 and below the limit of quantification to 162 µg/ kg at day 36.