clinical trials: a rigorously controlled test of a new **** or a new invasive medical device on human subjects; in the United States it is conducted under the directions of the FDA before being made available for general clinical use.
http://www.wordreference.com/es/tran...ranword=trials
Revisa este link, pero al parecer se usa como ensayo clínico....si es que entendí bien el contexto....
