- Dr L Schachter, Department of Respiratory Medicine, Austin and Repatriation Medical Centre, Studley Rd, Heidelberg, Victoria 3084, Australia
- Received March 10, 2000
- Revision requested May 15, 2000
- Revised August 8, 2000
- Accepted September 8, 2000
- First published January 1, 2001.
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