Crossword Genius

Refusal to communicate about care received from dumb doctor, perhaps (6,9)

Ross

I believe the answer is:

silent treatment

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'refusal to communicate about care received' is the definition.
I can't tell whether this defines the answer.

'dumb doctor perhaps' is the wordplay.
I cannot really see how this works, but
'dumb' could be 'silent' (synonyms) and 'silent' is found within the answer.
'doctor' could be 'treat' (doctor can mean to give medical treatment) and 'treat' is present in the answer.
The remaining letters 'ment' is a valid word which might be clued in a way I don't see.
This explanation may well be incorrect...

'from' acts as a link.

Can you help me to learn more?

I've seen this clue in The Irish Times.
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