From: Evidence Tables
Diagnosis and Treatment of Acute Bacterial Rhinosinusitis.
Evidence Reports/Technology Assessments, No. 9.
Lau J, Zucker D, Engels EA, et al.
Rockville (MD): Agency for Health Care Policy and Research (US); 1999 Mar.
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.