Citation

Charles SM. J. Occup. Environ. Med. 2006; 48(3): 233.

Affiliation

Occupational Medicine Landover, Maryland.

Copyright

(Copyright © 2006, Lippincott Williams and Wilkins)

DOI

10.1097/01.jom.0000190321.55457.64

PMID

16531825

Abstract

unavailable.