Fuente
Diagnosis and Treatment of Sick Sinus Syndrome by V Adan, MD; LA Crown, MD (American Family Physician abril 15, 2003, http://www.aafp.org/afp/20030415/1725.html)
Escrito por personal editorial de familydoctor.org.
Revisado/actualizado: 11/10
Creado: 10/03