de Serres FJ. Worldwide racial and ethnic distribution of alpha1-antitrypsin deficiency: summary of an analysis of published genetic epidemiologic surveys. Chest 2002;122(5):1818–29. https://www.ncbi.nlm.nih.gov/pubmed/12426287
Yang I, Dabscheck E, George J, Jenkins S, McDonald C, McDonald V, et al. The COPD-X Plan: Australian and New Zealand Guidelines for the management of chronic obstructive pulmonary disease 2020, Version 2.61. Milton, QLD: Lung Foundation Australia; February 2020. https://copdx.org.au/