Refine
Document type
Language
- English (4)
Has full text
- No (4)
Is part of the Bibliography
- No (4)
Keywords
- Donor return (3)
- Donor retention (2)
- Germany (2)
- Barriers (1)
- Blood donation (1)
- Blood donor (1)
- Blood donor recruitment (1)
- Blood donors (1)
- Compensation (1)
- Demography (1)