Submitted on: 10 May 2005.
Revised on: 16 June 2005.
Accepted on: 08 August 2005.
___________________HONG KONG MEDICAL JOURNAL---HONG KONG ACAD MEDICINE PRESS
Submitted on: 12 August 2001.
Revised on: 18 September 2001.
Accepted on: 25 October 2001.
___________________HONG KONG MEDICAL JOURNAL---HONG KONG ACAD MEDICINE PRESS
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Submitted on: 18 August 2001.
Revised on: 05 December 2001.
Accepted on: 27 December 2001.
___________________HONG KONG MEDICAL JOURNAL---HONG KONG ACAD MEDICINE PRESS
Submitted on: 19 July 2019.
Revised on: 02 October 2019.
Accepted on: 16 October 2019.
___________________HONG KONG MEDICAL JOURNAL---HONG KONG ACAD MEDICINE PRESS
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Submitted on: 10 November 1998.
Revised on: 05 February 1999.
Accepted on: 05 April 1999.
___________________HONG KONG MEDICAL JOURNAL---HONG KONG ACAD MEDICINE PRESS
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