TY  - RPRT
TI  - VT/VF: 60/60 protection.
AU  - E P Veltri
PY  - 1990
DO  - 10.1111/j.1540-8159.1990.tb02155.x
UR  - https://pubmed.ncbi.nlm.nih.gov/1697955/
ID  - 1697955
ER  -