Adverse controls with α-PHP or 4F-α-PVP in KHB without hepatocytes, and with KHB and hepatocytes with no drugs have been incubated concurrently. Each individual incubation was done the moment due to the higher price of pooled human hepatocytes, but favourable and negative controls were integrated to document proper metabolic activity https://4fphp42086.livebloggs.com/36458534/5-simple-statements-about-4f-php-explained