# Time-varying coefficients in a multivariate frailty model: Application to breast cancer recurrences of several types and death

> Research article (Lifetime Data Analysis, 2015) · cited 14× · AI/ML

**Wikidata**: [openalex:W786682533](https://www.wikidata.org/wiki/openalex:W786682533)  
**Source**: https://4ort.xyz/entity/time-varying-coefficients-in-a-multivariate-frailty-model-application-to-breast-cancer-recurrences-of-several-types-and-