The New England Journal of Medicine Downloaded from nejm.org at UC SHARED JOURNAL COLLECTION on April 1, 2015. For personal use only. No other uses without permission. From the NEJM Archive. Copyright © 2010 Massachusetts Medical Society. All rights reserved.

The New England Journal of Medicine Downloaded from nejm.org at UC SHARED JOURNAL COLLECTION on April 1, 2015. For personal use only. No other uses without permission. From the NEJM Archive. Copyright © 2010 Massachusetts Medical Society. All rights reserved.

New tests to assess lung function: occlusion pressure--a simple measure of the respiratory center's output.

The New England Journal of Medicine Downloaded from nejm.org at UC SHARED JOURNAL COLLECTION on April 1, 2015. For personal use only. No other uses wi...
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