- Publication venue
- BioMed Central
- Publication date
- 01/01/1999
- Field of study
- Publication venue
- BioMed Central
- Publication date
- 01/01/1999
- Field of study
- Publication venue
- Publication date
- 01/01/1989
- Field of study
- Publication venue
- Publication date
- 01/01/1981
- Field of study
- Publication venue
- Publication date
- 01/01/1981
- Field of study
- Publication venue
- Publication date
- 01/01/1982
- Field of study