The 2022 ERS/ATS z-score classification to grade airflow obstruction: relationship with exercise outcomes across the spectrum of COPD severity

Eur Respir J. 2024 Aug 8;64(2):2301960. doi: 10.1183/13993003.01960-2023. Print 2024 Aug.

¹ Respiratory Investigation Unit and Laboratory of Clinical Exercise Physiology, Kingston Health Science Center and Queen's University, Kingston, ON, Canada.
² Programa de Pós-Graduação em Ciências Pneumológicas, Universidade Federal do Rio Grande do Sul, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.
³ Respiratory Investigation Unit and Laboratory of Clinical Exercise Physiology, Kingston Health Science Center and Queen's University, Kingston, ON, Canada [email protected].

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