| Original language | English |
|---|---|
| Journal | BMJ, British Medical Journal |
| Volume | 337 |
| Issue number | a2701 |
| Publication status | Published - 2008 |
| Original language | English |
|---|---|
| Journal | BMJ, British Medical Journal |
| Volume | 337 |
| Issue number | a2701 |
| Publication status | Published - 2008 |