- Publication venue
- 'BMJ'
- Publication date
- 01/01/2000
- Field of study
- Publication venue
- Publication date
- 01/01/1996
- Field of study
- Publication venue
- Publication date
- 01/01/1993
- Field of study
- Publication venue
- Publication date
- 01/01/1996
- Field of study
C
- Publication venue
- Publication date
- 01/01/2002
- Field of study
- Publication venue
- Publication date
- 01/01/2002
- Field of study