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.
Ferguson SA, Marras WS, Burr DL.Ferguson SA, et al. Among authors: marras ws.Ergonomics. 2004 Sep 15;47(11):1226-37. doi: 10.1080/00140130410001712636.Ergonomics. 2004.PMID: 15370858
Marras WS, Ferguson SA, Burr D, Davis KG, Gupta P.Marras WS, et al.Spine J. 2004 Jan-Feb;4(1):64-75. doi: 10.1016/s1529-9430(03)00424-8.Spine J. 2004.PMID: 14749195
Ferguson SA, Marras WS.Ferguson SA, et al. Among authors: marras ws.Spine J. 2004 Mar-Apr;4(2):163-9. doi: 10.1016/j.spinee.2003.05.002.Spine J. 2004.PMID: 15016393
Ferguson SA, Marras WS, Burr D.Ferguson SA, et al. Among authors: marras ws.Appl Ergon. 2005 Jan;36(1):85-95. doi: 10.1016/j.apergo.2004.07.002. Epub 2004 Oct 31.Appl Ergon. 2005.PMID: 15627426