Submitted on: 30 August 2000.
Revised on: 03 October 2000.
Accepted on: 21 October 2000.
OCCUPATIONAL AND ENVIRONMENTAL MEDICINE
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Submitted on: 15 February 2008.
Revised on: 21 March 2008.
Accepted on: 16 April 2008.
OCCUPATIONAL AND ENVIRONMENTAL MEDICINE
Submitted on: 08 March 2023.
Revised on: 20 April 2023.
Accepted on: 16 May 2023.
OCCUPATIONAL AND ENVIRONMENTAL MEDICINE
Submitted on: 15 May 1998.
Revised on: 17 June 1998.
Accepted on: 28 June 1998.
OCCUPATIONAL AND ENVIRONMENTAL MEDICINE