《英文msh词典》Clinical Trial,Phase III (PT)
[入口词] Clinical Trial,Phase III (PT)
[主题词] Clinical Trial,Phase III [Publication Type]
[英文释义] Work that is a report of a pre-planned,usually controlled,clinical study of the safety and efficacy of diagnostic,therapeutic,or prophylactic drugs,devices,or techniques after phase II trials. A large enough group of patients is studied and closely monitored by physicians for adverse response to long-term exposure,over a period of about three years in either the United States or a foreign country.