| Year | 1999 |
| Date | 21-May |
| Volume | 182 |
| Issue | 4,094 |
| Page | 605 |
| Category | Smoke Rings |
| Part | |
| Title | Guest Editorial |
| Author | Editors |
| Notes | Letter received from Barry Harrison, Chairman of Warrington DMES and a member of the steering committee on Health and Safety matters |