TY  - RPRT
TI  - Developmental changes in sinus node function in growing children: an updated analysis.
AU  - S Sanjeev
AU  - P P Karpawich
DO  - 10.1007/s00246-005-0818-6
UR  - https://pubmed.ncbi.nlm.nih.gov/16132287/
ID  - 16132287
ER  -