translate English to French: SA Buist, M McBurnie, W Vollmer, et al. International variation in the prevalence of COPD (The BOLD Study): a population-based prevalence study.
2 SA Buist, M McBurnie, W Vollmer et coll., « International variation in the prevalence of COPD (The BOLD Study): a population-based prevalence study », The Lancet (septembre 2007), vol. 307. 3.