# Federated causal inference based on real-world observational data sources: application to a SARS-CoV-2 vaccine effectiveness assessment

> Research article (BMC Medical Research Methodology, 2023) · cited 16× · AI/ML

**Wikidata**: [openalex:W4387880642](https://www.wikidata.org/wiki/openalex:W4387880642)  
**Source**: https://4ort.xyz/entity/federated-causal-inference-based-on-real-world-observational-data-sources-application-to-a-sars-cov-2-vaccine-effectiven