From the Department of Medicine and the Department of Anesthesia, University of California, San Francisco, and Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital.
Correspondence to: John M. Luce, MD, Division of Pulmonary and Critical Care Medicine, San Francisco General Hospital, 1001 Potrero Ave, Room 5 K1, San Francisco, CA 94110; e-mail: firstname.lastname@example.org.
Financial/nonfinancial disclosures: The author has reported to CHEST that no potential conflicts of interest exist with any companies/organizations whose products or services may be discussed in this article.
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I thank Dr Gemma and colleagues for more fully explaining the pathologic manifestations of traumatic brain injury in their letter. I was unable to do so in my review of chronic disorders of consciousness following coma1 because of space limitations.
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