Hi all,

Three letters in the current edition of the Medical Journal of Australia
which may be of interest:

Clinicians prescribing exercise: is air pollution a hazard?
Chris E Rissel || Louis A du Plessis || James E Sharman.
Med J Aust 2005; 183 (6): 334-336.
http://www.mja.com.au/public/issues/183_06_190905/letters_190905_fm-2.html

In response to Sharman JE. Clinicians prescribing exercise: is air
pollution a hazard:
http://www.mja.com.au/public/issues/182_12_200605/sha10929_fm.html

well wishes,

Kate