| Clue | Source | Date |
|---|---|---|
| Making clinically clean | The Telegraph Cross Atlantic | 08 Feb 2025 |
| Hygienic practice featured in campaign a is it, in a sense, backward-looking? (10) | ||
| Hygienic practice featured in campaign - is it, in a sense, backward-looking? | The Guardian Cryptic | 03 Apr 2024 |