TY  - RPRT
TI  - [Obstetrical ultrasonography].
AU  - Alexander Strauss
AU  - Susanne Müller-Egloff
AU  - Ivo Markus Heer
PY  - 2002
DO  - 10.1159/000063415
UR  - https://pubmed.ncbi.nlm.nih.gov/12077500/
ID  - 12077500
ER  -