最近，为了明确新批准药物的安全性，一直有呼声要求FDA投资并监测新药的上市后4期研究。

Recently, there have been calls for the FDA to fund and oversee phase 4 postmarketing studies as a means of determining the safety of newly approved drugs.

youdao

最近，为了明确新批准药物的安全性，一直有呼声要求FDA投资并监测新药的上市后4期研究。

Recently, there have been calls for the FDA to fund and oversee phase 4 postmarketing studies as a means of determining the safety of newly approved drugs.

youdao