TY  - RPRT
TI  - [Orphan diseases -- a global problem].
AU  - D Kirsten
AU  - U Costabel
PY  - 2004
DO  - 10.1055/s-2004-830054
UR  - https://pubmed.ncbi.nlm.nih.gov/15476104/
ID  - 15476104
ER  -