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Submitted on: 25 January 2018.
Revised on: 16 February 2018.
Accepted on: 27 February 2018.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
Submitted on: 14 September 2023.
Revised on: 23 October 2023.
Accepted on: 29 November 2023.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
Submitted on: 22 January 1999.
Revised on: 03 May 1999.
Accepted on: 24 June 1999.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
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Submitted on: 16 December 2024.
Revised on: 07 March 2025.
Accepted on: 06 May 2025.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
Submitted on: 08 July 2002.
Revised on: 17 September 2002.
Accepted on: 27 September 2002.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
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