TY  - RPRT
TI  - Interchangeability of left ventriculograms.
AU  - B G Krohn
PY  - 1977
DO  - 10.1016/s0002-8703(77)80191-9
UR  - https://pubmed.ncbi.nlm.nih.gov/831405/
ID  - 831405
ER  -