Name Info Provider Link
subscription/membership/fee required Ediciones Doyma, S.L. http://www.revespcardiol.org/en/linksolver/ft/pii/S0300-8932(11)00853-0
subscription/membership/fee required Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0300-8932(11)00853-0
Arrhythmia free resource MedlinePlus Health Information https://medlineplus.gov/arrhythmia.html