Cryptic crossword

ACROSS

1. A doctor’s work may be just a run-through (8)

7. Clock will sound as mice run round the 13 (5)

8. His theft is of the low variety (7)

9. He constructs rule bid will destroy (7)

10. It is properly a month with initial change (4)

12. Nor yet might it be in there (7)

14. Romance may have come from here violins, certainly (7)

17. Extension from cicuit given back-up in the Southern Region (4)

18. Cap lies in a way that’s out of the ordinary (7)

21. Letter of spite perhaps given to the French (7)

22. Aka a Lower Jurassic term (5)

23. Quarter-bushel found in snow vehicle marked with spots (8)

DOWN

1. A take-off might be profitable if Rod is in it (6)

2. Unlimited as to blue that can be used (8)

3. Conversation with a semi-mortal king (4)

4. Method of dating one used to copy (6)

5. Gentle beginnings meant it lost deposit (4)

6. Awful fright, the last great mistake (6)

7. Style of cooking putting us in ice for a change (7)

11. Tales of the South going to the Conservative side (7)

13. It has its wards at Polish sort-out (8)

14. Off-handed way California takes its country back up inside (6)

15. Is not conscious of how it might please (6)

16. Chum cooked last of mutton in it (6)

19. Very bad falsehood given up when about five (4)

20. How hard is concrete that it should hold what’s compact? (4)