Submitted on: 08 March 2011.
Revised on: 19 June 2011.
Accepted on: 08 August 2011.
___________________INDUSTRIAL HEALTH---NATL INST OCCUPATIONAL SAFETY & HEALTH, JAPAN
Submitted on: 05 November 2007.
Revised on: 03 December 2007.
Accepted on: 21 December 2007.
___________________INDUSTRIAL HEALTH---NATL INST OCCUPATIONAL SAFETY & HEALTH, JAPAN
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Submitted on: 23 September 2010.
Revised on: 11 December 2010.
Accepted on: 13 January 2011.
___________________INDUSTRIAL HEALTH---NATL INST OCCUPATIONAL SAFETY & HEALTH, JAPAN
Submitted on: 20 February 2008.
Revised on: 16 May 2008.
Accepted on: 03 June 2008.
___________________INDUSTRIAL HEALTH---NATL INST OCCUPATIONAL SAFETY & HEALTH, JAPAN
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