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Submitted on: 20 September 2024.
Revised on: 30 November 2024.
Accepted on: 29 December 2024.
___________________Annali di Igiene Medicina Preventiva e di Comunita
Submitted on: 18 July 1999.
Revised on: 11 August 1999.
Accepted on: 22 August 1999.
___________________Annali di Igiene Medicina Preventiva e di Comunita
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Submitted on: 02 December 2016.
Revised on: 04 March 2017.
Accepted on: 02 April 2017.
___________________Annali di Igiene Medicina Preventiva e di Comunita
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Submitted on: 13 April 2000.
Revised on: 04 August 2000.
Accepted on: 12 September 2000.
___________________Annali di Igiene Medicina Preventiva e di Comunita
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