# Analysis of Collective Response Reveals that COVID-19-Related Activities Start from the End of 2019 in Mainland China

> Research article (Archives of Clinical and Biomedical Research, 2021) · cited 23× · AI/ML

**Wikidata**: [openalex:W4243230797](https://www.wikidata.org/wiki/openalex:W4243230797)  
**Source**: https://4ort.xyz/entity/analysis-of-collective-response-reveals-that-covid-19-related-activities-start-from-the-end-of-2019-in-mainland-china