{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T16:26:32Z","timestamp":1775924792122,"version":"3.50.1"},"reference-count":12,"publisher":"BMJ","issue":"7","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Thorax"],"published-print":{"date-parts":[[1990,7,1]]},"DOI":"10.1136\/thx.45.7.514","type":"journal-article","created":{"date-parts":[[2008,12,13]],"date-time":"2008-12-13T03:22:59Z","timestamp":1229138579000},"page":"514-519","source":"Crossref","is-referenced-by-count":20,"title":["Single breath carbon monoxide transfer factor in different forms of chronic airflow obstruction in a general population sample."],"prefix":"10.1136","volume":"45","author":[{"given":"R J","family":"Knudson","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"W T","family":"Kaltenborn","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B","family":"Burrows","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","reference":[{"key":"ref_1","first-page":"137","article-title":"Tucson epidemiological study of obstructive lung diseases","volume":"102","author":"Lebowitz, M.D.; Knudson, R.J.; Burrows, B.","year":"1975","unstructured":"Lebowitz MD, Knudson RJ, Burrows B. Tucson epidemiological study of obstructive lung diseases. I. Methodology and prevalence of disease. Am J Epidemiol 1975;102:137.","journal-title":"I. Methodology and prevalence of disease. Am J Epidemiol"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"1309","DOI":"10.1056\/NEJM198711193172103","article-title":"The course and prognosis of different forms of chronic airways obstruction in a sample from the general population","volume":"317","author":"Burrows, B.; Bloom, J.W.; Traver, G.A.; Cline, M.G.","year":"1987","unstructured":"Burrows B, Bloom JW, Traver GA, Cline MG. The course and prognosis of different forms of chronic airways obstruction in a sample from the general population. N Engl J Med 1987;317:1309-14.","journal-title":"N Engl J Med"},{"key":"ref_3","doi-asserted-by":"crossref","first-page":"829","DOI":"10.1164\/ajrccm\/138.4.829","article-title":"A reexamination ofrisk factors for ventilatory impairment","volume":"138","year":"1988","unstructured":"Burrows B, Knudson RJ, Cline MG, Lebowitz MD. A reexamination ofrisk factors for ventilatory impairment. Am Rev Respir Dis 1988;138:829-36.","journal-title":"Am Rev Respir Dis"},{"key":"ref_4","first-page":"725","article-title":"Changes in the normal maximal expiratory flow-volume curve with growth and aging","volume":"127","author":"Knudson, R.J.; Lebowitz, M.D.; Holberg, C.J.; Burrows, B.","year":"1983","unstructured":"Knudson RJ, Lebowitz MD, Holberg CJ, Burrows B. Changes in the normal maximal expiratory flow-volume curve with growth and aging. Am Rev Respir Dis 1983; 127:725-34.","journal-title":"Am Rev Respir Dis"},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"805","DOI":"10.1164\/arrd.1987.135.4.805","article-title":"The single breath carbon monoxide diffusing capacity: Reference equations derived from a healthy non-smoking population and effects of hematocrit","volume":"135","author":"Knudson, R.J.; Kaltenborn, W.T.; Knudson, D.E.; Burrows, B.","year":"1987","unstructured":"Knudson RJ, Kaltenborn WT, Knudson DE, Burrows B. The single breath carbon monoxide diffusing capacity: Reference equations derived from a healthy non-smoking population and effects of hematocrit. Am Rev Respir Dis 1987;135:805-1 1.","journal-title":"Am Rev Respir Dis"},{"key":"ref_6","first-page":"2","volume":"118","author":"Ferris, B.G.","year":"1978","unstructured":"Ferris BG (ed). Epidemiology Standardization Project. Am Rev Respir Dis 1978;118(Part 2):62-72.","journal-title":"Epidemiology Standardization Project. Am Rev Respir Dis"},{"key":"ref_7","doi-asserted-by":"crossref","first-page":"645","DOI":"10.1164\/ajrccm\/140.3.645","article-title":"The effects of cigarette smoking and smoking cessation on the carbon monoxide diffusing capacity of the lung in asymptomatic subjects","volume":"140","author":"Knudson, R.J.; Kaltenborn, W.T.; Burrows, B.","year":"1989","unstructured":"Knudson RJ, Kaltenborn WT, Burrows B. The effects of cigarette smoking and smoking cessation on the carbon monoxide diffusing capacity of the lung in asymptomatic subjects. Am Rev Respir Dis 1989;140:645-51.","journal-title":"Am Rev Respir Dis"},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1378\/chest.76.1.41","article-title":"Evaluation of the single-breath diffusing capacity in asthma and cystic fibrosis","volume":"76","author":"Keens, T.G.; Mansell, A.; Krastins, I.R.B.","year":"1979","unstructured":"Keens TG, Mansell A, Krastins IRB, et al. Evaluation of the single-breath diffusing capacity in asthma and cystic fibrosis. Chest 1979;76:41-4.","journal-title":"Chest"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"204","DOI":"10.1016\/0021-8707(66)90115-8","article-title":"Pulmonary diffusing capacity, membrane diffusing capacity, and capillary blood volume in children with intractable asthma with and without chronic overinflation of the lungs","volume":"37","author":"Pecora, L.J.; Bernstein, I.L.; Feldman, D.P.","year":"1966","unstructured":"Pecora LJ, Bernstein IL, Feldman DP. Pulmonary diffusing capacity, membrane diffusing capacity, and capillary blood volume in children with intractable asthma with and without chronic overinflation of the lungs. J Allergy 1966; 37:204-15.","journal-title":"J Allergy"},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"332","DOI":"10.1378\/chest.94.2.332","article-title":"Carbon monoxide diffusing capacity in asthmatic patients with mild airflow limitation","volume":"94","author":"Stewart, R.I.","year":"1988","unstructured":"Stewart RI. Carbon monoxide diffusing capacity in asthmatic patients with mild airflow limitation. Chest 1988; 94:332-6.","journal-title":"Chest"},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"402","DOI":"10.1152\/jappl.1967.22.3.402","article-title":"An effect of isoproterenol on ventilation-perfusion in asthmatic vs. normal subjects","volume":"22","author":"Knudson, R.J.; Constantine, H.P.","year":"1967","unstructured":"Knudson RJ, Constantine HP. An effect of isoproterenol on ventilation-perfusion in asthmatic vs. normal subjects. J Appl Physiol 1967;22:402-6.","journal-title":"J Appl Physiol"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"185","DOI":"10.1016\/0002-9343(71)90147-1","article-title":"Effect of isoproterenol on gas exchange during air and oxygen breathing in patients with asthma","volume":"50","author":"Gazioglu, K.; Condemi, J.J.; Hyde, R.W.; Kaltreider, N.L.","year":"1971","unstructured":"Gazioglu K, Condemi JJ, Hyde RW, Kaltreider NL. Effect of isoproterenol on gas exchange during air and oxygen breathing in patients with asthma. Am J Med 1971;50: 185-90.","journal-title":"Am J Med"}],"container-title":["Thorax"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/thx.45.7.514","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,9,26]],"date-time":"2020-09-26T09:10:44Z","timestamp":1601111444000},"score":1,"resource":{"primary":{"URL":"https:\/\/thorax.bmj.com\/lookup\/doi\/10.1136\/thx.45.7.514"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1990,7,1]]},"references-count":12,"journal-issue":{"issue":"7","published-print":{"date-parts":[[1990,7,1]]}},"URL":"https:\/\/doi.org\/10.1136\/thx.45.7.514","relation":{},"ISSN":["0040-6376"],"issn-type":[{"value":"0040-6376","type":"print"}],"subject":[],"published":{"date-parts":[[1990,7,1]]}}}