TY  - RPRT
TI  - Unusual response to atrial extrastimulus testing.
AU  - Stuart D Christenson
AU  - Brian Olshansky
AU  - Kalyanam Shivkumar
PY  - 2002
DO  - 10.1046/j.1540-8167.2002.00200.x
UR  - https://pubmed.ncbi.nlm.nih.gov/11900302/
ID  - 11900302
ER  -