# Human challenge trial workshop: Focus on quality requirements for challenge agents, Langen, Germany, October 22, 2019

> Research article (Biologicals, 2020) · cited 13× · AI/ML

**Wikidata**: [openalex:W3021390017](https://www.wikidata.org/wiki/openalex:W3021390017)  
**Source**: https://4ort.xyz/entity/human-challenge-trial-workshop-focus-on-quality-requirements-for-challenge-agents-langen-germany-october-22-2019