Models that represent subsystems as graphical blocks rather than as complex differential equations.
|6 Jul 2009||Linda Webb||
"It takes from 10 to 15 years to bring a new drug to market?at a cost rapidly approaching $1 billion. A key contributor to these staggering costs is late-stage failure: Of every 250 compounds that enter preclinical testing, only five proceed into clinical trials, and only one will be approved by the U.S. Food and Drug Administration (FDA). Many potential new drugs fail because researchers lack reliable information about their behavior.