@article{74b72a90f88a4b229e2c714666d6d4de,
title = "Inhaled steroids and mortality in COPD: bias from unaccounted immortal time.",
keywords = "Administration, Inhalation, therapeutic use: Adrenal Cortex Hormones, therapeutic use: Adrenergic beta-Agonists, Bias (Epidemiology), therapeutic use: Bronchodilator Agents, Cohort Studies, Comparative Study, Delayed-Action Preparations, Drug Therapy, Combination, Female, Humans, Male, diagnosis: Pulmonary Disease, Chronic Obstructive, Respiratory Function Tests, Severity of Illness Index, Survival Analysis, Treatment Outcome",
author = "V Kiri and J Vestbo and N Pride and J. Soriano",
year = "2004",
month = jul,
language = "English",
volume = "24( 1)",
journal = "Eur Respir J",
issn = "0903-1936",
publisher = "European Respiratory Society",
}