Paper which the head’s left for children (5)

I believe the answer is:

issue

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'for children' is the definition.
(issue can mean someone's offspring)

I cannot understand how the remainder of the clue works.

Can you help me to learn more?

(Other definitions for issue that I've seen before include "Come forth or bring out" , "Publish - put into circulation" , "Emerge" , "Important problem" , "Bring out - children" .)

I've seen this clue in The Times.

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