# Bias, Precision and Timeliness of Historical (Background) Rate Comparison Methods for Vaccine Safety Monitoring: An Empirical Multi-Database Analysis

> Research article (Frontiers in Pharmacology, 2021) · cited 13× · AI/ML

**Wikidata**: [openalex:W3216890624](https://www.wikidata.org/wiki/openalex:W3216890624)  
**Source**: https://4ort.xyz/entity/bias-precision-and-timeliness-of-historical-background-rate-comparison-methods-for-vaccine-safety-monitoring-an-empirica