The anti-tumor capacities of HANPs with different morphologies and particle sizes against two kinds of OS cells, human OS 143B cells and rat OS UMR106 cells.
By Roxanne Liu and David Stanway BEIJING/SHANGHAI (Reuters) - China has spent over a year developing Pfizer-type COVID-19 vaccines that may even help .
By Roxanne Liu and David Stanway BEIJING/SHANGHAI (Reuters) - China has spent over a year developing Pfizer-type COVID-19 vaccines that may even help .