TY  - RPRT
TI  - [Bioactive materials. A critical review].
AU  - M Ungethüm
AU  - U Fink
PY  - 1988
DO  - 10.1055/s-2008-1044511
UR  - https://pubmed.ncbi.nlm.nih.gov/3072794/
ID  - 3072794
ER  -