- Publication venue
- BioMed Central
- Publication date
- 01/01/2009
- Field of study
- Publication venue
- BMJ Group
- Publication date
- 01/03/2004
- Field of study
- Publication venue
- 'SAGE Publications'
- Publication date
- Field of study
- Publication venue
- 'SAGE Publications'
- Publication date
- Field of study
- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- Field of study