TY  - RPRT
TI  - Circulation online only : march 7, 2000
AU  - JT Willerson
PY  - 2000
DO  - 10.1161/01.cir.101.9.941
UR  - https://pubmed.ncbi.nlm.nih.gov/10704156/
ID  - 10704156
ER  -