et al. (News) (In Vitro)
News report on In Vitro
results from the research institute of Prof. Zatloukal, showing that "ivermectin was able to reduce virus replication by a factor of 1,000 even at low concentrations".
Zatloukal et al., 5/5/2021, preprint, 1 author.
In Vitro studies are an important part of preclinical research, however results may be very different in vivo.