{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T16:14:23Z","timestamp":1786119263281,"version":"build-2736575974"},"reference-count":9,"publisher":"European Respiratory Society (ERS)","issue":"2","license":[{"start":{"date-parts":[[2026,8,1]],"date-time":"2026-08-01T00:00:00Z","timestamp":1785542400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["publications.ersnet.org"],"crossmark-restriction":true},"short-container-title":["Eur Respir J"],"accepted":{"date-parts":[[2026,5,14]]},"published-print":{"date-parts":[[2026,8]]},"DOI":"10.1183\/13993003.00966-2026","type":"journal-article","created":{"date-parts":[[2026,8,6]],"date-time":"2026-08-06T17:55:37Z","timestamp":1786038937000},"page":"2600966","update-policy":"https:\/\/doi.org\/10.1183\/ers-crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["The use of spirometry to define airflow obstruction and diagnose COPD"],"prefix":"10.1183","volume":"68","author":[{"given":"Peter","family":"Burney","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ben","family":"Knox-Brown","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0369-9449","authenticated-orcid":false,"given":"Andr\u00e9","family":"Amaral","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"81","published-online":{"date-parts":[[2026,8,6]]},"reference":[{"key":"2026080610552992000_68.2.2600966.1","doi-asserted-by":"publisher","DOI":"10.1183\/13993003.02574-2025"},{"key":"2026080610552992000_68.2.2600966.2","doi-asserted-by":"publisher","DOI":"10.1183\/09031936.00036813"},{"key":"2026080610552992000_68.2.2600966.3","doi-asserted-by":"crossref","first-page":"405","DOI":"10.1016\/S2213-2600(23)00091-7","article-title":"Small lung syndrome: the need to reclassify chronic lung disease","volume":"11","author":"Burney","year":"2023","journal-title":"Lancet Respir Med"},{"key":"2026080610552992000_68.2.2600966.4","doi-asserted-by":"crossref","first-page":"469","DOI":"10.1080\/15412555.2017.1339681","article-title":"Severity of airflow obstruction in chronic obstructive pulmonary disease (COPD): proposal for a new classification","volume":"5","author":"Coton","year":"2017","journal-title":"COPD J Chronic Obstructive Pulmonary Dis"},{"key":"2026080610552992000_68.2.2600966.5","doi-asserted-by":"crossref","first-page":"400","DOI":"10.5588\/ijtld.12.0591","article-title":"Cross-sectional relation of ethnicity to ventilatory function in a West London population","volume":"17","author":"Hooper","year":"2013","journal-title":"Int J Tuberc Respir Dis"},{"key":"2026080610552992000_68.2.2600966.6","doi-asserted-by":"publisher","DOI":"10.1186\/s12931-022-01939-5"},{"key":"2026080610552992000_68.2.2600966.7","doi-asserted-by":"publisher","DOI":"10.1164\/rccm.202302-0310ST"},{"key":"2026080610552992000_68.2.2600966.8","doi-asserted-by":"crossref","first-page":"768","DOI":"10.1164\/rccm.202205-0963OC","article-title":"A race-neutral approach to the interpretation of lung function measurements","volume":"207","author":"Bowerman","year":"2022","journal-title":"Am J Respir Crit Care Med"},{"key":"2026080610552992000_68.2.2600966.9","doi-asserted-by":"crossref","first-page":"2430491","DOI":"10.1080\/25310429.2024.2430491","article-title":"Geographical variation in lung function: results from the multicentric cross-sectional BOLD study","volume":"31","author":"Burney","year":"2025","journal-title":"Pulmonology"}],"container-title":["European Respiratory Journal"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1183\/13993003.00966-2026","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,8,6]],"date-time":"2026-08-06T17:55:38Z","timestamp":1786038938000},"score":1,"resource":{"primary":{"URL":"https:\/\/publications.ersnet.org\/lookup\/doi\/10.1183\/13993003.00966-2026"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,8]]},"references-count":9,"journal-issue":{"issue":"2","published-online":{"date-parts":[[2026,8,6]]},"published-print":{"date-parts":[[2026,8]]}},"alternative-id":["10.1183\/13993003.00966-2026"],"URL":"https:\/\/doi.org\/10.1183\/13993003.00966-2026","relation":{},"ISSN":["0903-1936","1399-3003"],"issn-type":[{"value":"0903-1936","type":"print"},{"value":"1399-3003","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,8]]}}}