Am J Epidemiol 2003; 158:929.
Copyright © 2003 by Johns
Hopkins Bloomberg School of Public Health
LETTERS TO THE EDITOR |
THE FIRST TWO AUTHORS REPLY
1 Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Morgantown, WV 26505-2888
2 Department of Epidemiology, School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599
| The first 10% of the full text of this article appears below. |
In his letter to the editor, Dr. Mezei (1) raises an important issue regarding a limitation of our study (2), which investigated risk factors for