This crossword No. 9993 clues and answers were published on Wed 15 May 2002 and the puzzle can be visited by following The Guardian Quick Crossword No. 9993 link.
All Across Clues and Answers:
1-across – Battle zone surgical unit : FIELDHOSPITAL
8-across – Hatchet : AXE
9-across – Rascal : SCOUNDREL
10-across – Most spiteful : CATTIEST
11-across – Long and involved story : SAGA
13-across – Protect – prize : SHIELD
14-across – Cure : REMEDY
16-across – Declare : AVOW
17-across – University office – phased in : DEANSHIP
20-across – Deceptively charming : BEGUILING
21-across – Employ – advantage : USE
22-across – Person dealing with teeth and gums : DENTALSURGEON
All Down Clues and Answers:
1-down – Swiss monetary unit : FRANC
2-down – Keyboard instrument : ELECTRICORGAN
3-down – Personal follower of Christ : DISCIPLE
4-down – Instrumentalist : OBOIST
5-down – Gasp : PANT
6-down – Abode adjoined to others : TERRACEDHOUSE
7-down – Sleep-inducing song : LULLABY
12-down – Person aged between 13 and 19 : TEENAGER
13-down – Mopped : SWABBED
15-down – Wrong : REMISS
18-down – Clean with the beak : PREEN
19-down – Capital of Peru : LIMA
This crossword has in total 24 where 12 are across and 12 are down.