Submitted on: 12 August 2017.
Revised on: 10 October 2017.
Accepted on: 18 November 2017.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
Submitted on: 23 April 2007.
Revised on: 08 August 2007.
Accepted on: 13 September 2007.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
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Submitted on: 29 June 2018.
Revised on: 13 September 2018.
Accepted on: 13 October 2018.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
Submitted on: 01 February 2012.
Revised on: 24 March 2012.
Accepted on: 27 April 2012.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
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Submitted on: 21 April 2003.
Revised on: 24 May 2003.
Accepted on: 19 June 2003.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
Submitted on: 21 December 2017.
Revised on: 15 March 2018.
Accepted on: 22 April 2018.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD
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Submitted on: 24 April 2005.
Revised on: 30 July 2005.
Accepted on: 13 August 2005.
___________________Journal of Hospital Infection---W B SAUNDERS CO LTD