A patient compilation (4,4)

I believe the answer is:

sick list

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'a patient compilation' is the definition.
The definition and answer can be both related to communication as well as being singular nouns.
Perhaps there's an association between them I don't understand?

This is the entire clue.

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(Other definitions for sick list that I've seen before include "On which unwell are recorded" , "An enumeration of those who are ill" , "Register of those ill" .)

I've seen this clue in The Globe and Mail.

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