An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Washko RM, Day B, Parker JE, Castellan RM, Kreiss K.Washko RM, et al. Among authors: castellan rm.Am J Ind Med. 2000 Dec;38(6):628-38. doi: 10.1002/1097-0274(200012)38:6<628::aid-ajim3>3.0.co;2-u.Am J Ind Med. 2000.PMID: 11071685
Costa CA, Castellan RM, Richards TB, Yaffe CD.Costa CA, et al. Among authors: castellan rm.Am J Ind Med. 1992;22(3):419-28. doi: 10.1002/ajim.4700220314.Am J Ind Med. 1992.PMID: 1519623
Amandus HE, Shy C, Castellan RM, Blair A, Heineman EF.Amandus HE, et al. Among authors: castellan rm.Scand J Work Environ Health. 1995;21 Suppl 2:81-3.Scand J Work Environ Health. 1995.PMID: 8929698Free article.