- Publication venue
- 'BMJ'
- Publication date
- 01/01/2001
- Field of study
- Publication venue
- Publication date
- 01/01/1997
- Field of study
- Publication venue
- Publication date
- 01/01/1997
- Field of study
- Publication venue
- Publication date
- 01/01/2000
- Field of study
- Publication venue
- Publication date
- 01/01/2000
- Field of study
- Publication venue
- Publication date
- 01/01/2000
- Field of study
- Publication venue
- 'Oxford University Press (OUP)'
- Publication date
- Field of study
- Publication venue
- 'BMJ'
- Publication date
- 01/01/2001
- Field of study
- Publication venue
- 'Ovid Technologies (Wolters Kluwer Health)'
- Publication date
- 01/01/2012
- Field of study
- Publication venue
- Publication date
- 01/01/1995
- Field of study
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