In light of scant published data from sponsors and contract research organizations on site activation and recruitment challenges following the COVID-19 pandemic, the primary objective of this research is to revisit the results of recruitment and retention tactics in studies conducted in 2012 and 2019.
.png "BioPharm International")
.png "Pharmaceutical Commerce"){kind=logo}
.png "Turbo Machinery Magazine")
.png){kind=spacer}
