Beat by beat variations.
Dilaveris P, Giannopoulos G, Riga M, Synetos A, Stefanadis C.
Dilaveris P, et al. Among authors: giannopoulos g.
Am J Med. 2007 Jan;120(1):21-2. doi: 10.1016/j.amjmed.2006.10.009.
Am J Med. 2007.
PMID: 17208074
No abstract available.