Official reprint from UpToDate
Medline ® Abstract for Reference 1
of 'Clinical features, evaluation, and diagnosis of croup'
Clinical practice. Croup.
N Engl J Med. 2008;358(4):384.
Division of Infectious Diseases, Mattel Children's Hospital UCLA, and the Department of Pediatrics, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095-1752, USA. email@example.com