TY  - RPRT
TI  - [Test objects for Doppler sonography - What are their practical applications?].
AU  - C Kollmann
PY  - 2001
DO  - 10.1055/s-2001-16819
UR  - https://pubmed.ncbi.nlm.nih.gov/11524691/
ID  - 11524691
ER  -