Crossword Genius

Supplement that’s sometimes removed by The Lancet? (8)

Ross

I believe the answer is:

appendix

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'supplement' is the definition.
(synonyms)

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(Other definitions for appendix that I've seen before include "Supplementary material at the back" , "Writer's addition - may be taken out in the theatre!" , "Supplementary part" , "part of book" , "It contains supplementary material" .)

I've seen this clue in The Times.
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