This is just here as a test because I lose it
Term information
definition
A clinical trial phase that is designed to investigate the efficacy of the biomedical or behavioral intervention in large groups of human subjects (from several hundred to several thousand), to confirm efficacy, to monitor adverse reactions to the new medication or treatment regimen with respect to long-term use and by comparing the intervention to other standard or experimental interventions as well as to a placebo. [def-source: NCI]
definition source
https://en.wikipedia.org/wiki/Clinical_trial
http://purl.obolibrary.org/obo/NCIT_C15602