TY  - RPRT
TI  - [Cardiovascular changes during pregnancy].
AU  - Hermann H Klein
AU  - Sibylle Pich
PY  - 2003
DO  - 10.1007/s00059-003-2455-2
UR  - https://pubmed.ncbi.nlm.nih.gov/12756474/
ID  - 12756474
ER  -