Medical expert’s door out of the court (6)

I believe the answer is:

doctor

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'medical' is the definition.
(thesaurus)

'door out of the court' is the wordplay.
'out of' is an insertion indicator.
'the court' becomes 'ct'.
'door' placed around 'ct' is 'DOCTOR'.

'expert's' acts as a link.
This may not be right. It may be part of another bit of the clue.

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(Other definitions for doctor that I've seen before include "Medical practitioner, for instance" , "Onshore breeze" , "change" , "Medical professional or university don" , "Adulterate; medic" .)

I've seen this clue in the Evening Standard.

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