TY  - RPRT
TI  - Circulatory changes in pregnancy.
AU  - K Ueland
AU  - J Metcalfe
PY  - 1975
DO  - 10.1097/00003081-197509000-00007
UR  - https://pubmed.ncbi.nlm.nih.gov/1157366/
ID  - 1157366
ER  -