This crossword No. 428 clues and answers were published on Sun 30 Nov 2003 and the puzzle can be visited by following The Guardian Speedy Crossword No. 428 link.
All Across Clues and Answers:
1-across – Medicinal quantity : DOSE
3-across – Stress : EMPHASIS
9-across – Similar word : SYNONYM
10-across – Express, utter : VOICE
11-across – Broadcast medium : RADIO
12-across – Period of immaturity : NONAGE
14-across – Lost control, distracted : BESIDEONESELF
17-across – Skilful : ADROIT
19-across – Breed of dog : CORGI
22-across – Let : LEASE
23-across – Countless : UMPTEEN
24-across – Fellow feeling : SYMPATHY
25-across – Yield, give way : CEDE
All Down Clues and Answers:
1-down – Report in detail : DESCRIBE
2-down – Church council : SYNOD
4-down – Critical point : MOMENTOFTRUTH
5-down – Refuge : HAVEN
6-down – Beach pebbles : SHINGLE
7-down – Slow cook : STEW
8-down – Embrace, envelop : ENFOLD
13-down – Betroth, become engaged : AFFIANCE
15-down – Hand gun etc. : SIDEARM
16-down – Exclude : EXCEPT
18-down – Musical drama : OPERA
20-down – Old magistrate or official : REEVE
21-down – In addition : PLUS
This crossword has in total 26 where 13 are across and 13 are down.