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Submitted on: 03 December 1998.
Revised on: 09 January 1999.
Accepted on: 05 February 1999.
NEW ZEALAND MEDICAL JOURNAL---NEW ZEALAND MEDICAL ASSOC
Submitted on: 01 April 2014.
Revised on: 04 May 2014.
Accepted on: 15 May 2014.
NEW ZEALAND MEDICAL JOURNAL
Submitted on: 13 June 2022.
Revised on: 23 July 2022.
Accepted on: 30 July 2022.
NEW ZEALAND MEDICAL JOURNAL
Submitted on: 16 November 2007.
Revised on: 24 December 2007.
Accepted on: 17 January 2008.
NEW ZEALAND MEDICAL JOURNAL---NEW ZEALAND MEDICAL ASSOC
Submitted on: 06 March 1999.
Revised on: 07 April 1999.
Accepted on: 18 April 1999.
NEW ZEALAND MEDICAL JOURNAL
Submitted on: 21 April 2022.
Revised on: 15 May 2022.
Accepted on: 27 May 2022.
NEW ZEALAND MEDICAL JOURNAL---NEW ZEALAND MEDICAL ASSOC
Submitted on: 30 April 2011.
Revised on: 16 May 2011.
Accepted on: 04 June 2011.
NEW ZEALAND MEDICAL JOURNAL---NEW ZEALAND MEDICAL ASSOC