Hardening or softening? An observational study of changes to the prevalence of hardening indicators in Victoria, Australia, 2001–2016
Emily Brennan, Elizabeth M Greenhalgh, Sarah J Durkin, Michelle M Scollo, Linda Hayes, Melanie A Wakefield
Tobacco Control May 2020, 29 (3) 252-257; DOI: 10.1136/tobaccocontrol-2019-054937