Ashley Kevin, Biagini Raymond E, Smith Jerry P, Sammons Deborah L, MacKenzie Barbara A, Striley Cynthia A F, Robertson Shirley K, Snawder John E
Biomonitoring and Health Assessment Branch, Division of Applied Research and Technology, National Institute for Occupational Safety and Health, Centers for Disease Control and Prevention, Cincinnati, Ohio, USA.
J Occup Environ Hyg. 2008 Mar;5(3):D37-42. doi: 10.1080/15459620701798224.
