Harmful material carried by Australia's best osteopath (8)

I believe the answer is:

asbestos

'harmful material' is the definition.

'carried by australia's best osteopath' is the wordplay.
'carried by' indicates a hidden word.
'ASBESTOS' is hidden in the letters of 'australias best osteopath'.

(Other definitions for asbestos that I've seen before include "retardant" , "Fireproof material, dangerous to health" , "insulating material" , "Heat-resistant fibrous mineral" , "Old fire-retardant" .)

I've seen this clue in the Sydney Morning Herald.

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