# Implementation of ICH E9 (R1): A Few Points Learned During the COVID-19 Pandemic

> Research article (Therapeutic Innovation & Regulatory Science, 2021) · cited 20× · AI/ML

**Wikidata**: [openalex:W3162581735](https://www.wikidata.org/wiki/openalex:W3162581735)  
**Source**: https://4ort.xyz/entity/implementation-of-ich-e9-r1-a-few-points-learned-during-the-covid-19-pandemic