Article

Prieger, James E and Hampsher-Monk, Samuel C and Shahidinia, Nima and Hunt, Eliza R W (2026) E-cigarette use and smoking-related disparities in England: an observational study using small area estimation and nonparametric regression. Harm Reduction Journal, Early online, https://doi.org/10.1186/s12954-026-01435-9.