Fragmented QRS and subclinical left ventricular dysfunction in individuals with preserved ejection fraction: A speckle‐tracking echocardiographic study

por Dehghani, Mohammad Reza, Rostamzadeh, Alireza, Abbasnezhad, Ali, Shariati, Akram, Nejatisafa, Saeid, Rezaei, Yousef
Publicado 2019