TY  - RPRT
TI  - Intraoperative echocardiography: introduction.
AU  - H M Spotnitz
PY  - 1998
DO  - 10.1016/s1043-0679(98)80018-x
UR  - https://pubmed.ncbi.nlm.nih.gov/9801243/
ID  - 9801243
ER  -