Completely stumped by these. Any suggestions appreciated.
17A Perks: foremost of station-masters in popular timeless novel (4) T???
20A Illness not initially banished, doctor remaining (8)
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24A What's partly digital and associated with chips? (4,6) ????, ???G?R
13D Light ache when touring Australian city (5-4) P????, ???N
19D On the way up, note one piece of bone (6) ?????L
21D Editorships regularly wanted on Sun for Murdoch? (4) NO LETTERS