TY  - RPRT
TI  - Physiologic changes in pregnancy: surgical implications.
AU  - C Martin
AU  - M W Varner
PY  - 1994
DO  - 10.1097/00003081-199406000-00004
UR  - https://pubmed.ncbi.nlm.nih.gov/8033441/
ID  - 8033441
ER  -