A. Penev

WORKING TIME ORGANIZATION AND MYOCARDIAL INFARCTION ( First communication )

T. Dimitrova, A. Penev, I. Zlatarov, 2012 .

Paroxysmal Atrial Fibrillation: Dynamics of The Main Antioxidant Enzymes - Superoxide Dismutase and Catalase

A. Penev, A. A. Aleksandrova, M. Negreva, 2014, Folia medica.

Assessment of Copper Status in Patients with Paroxysmal Atrial Fibrillation Keywords: Paroxysmal atrial fibrillation; Copper status; Copper

A. A. Alexandrova, A. Penev, M. Negreva, 2014 .

Zinc and Paroxysmal Atrial Fibrillation

A. Penev, M. Jordanova, M. Negreva, 2015 .

Tumor Necrosis Factor – alpha in Clinical Manifestation of Paroxysmal Atrial Fibrillation

A. Penev, M. Negreva, S. Georgiev, 2016 .

DYNAMICS OF OXIDATIVE STATUS IN PATIENTS WITH PAROXYSMAL ATRIAL FIBRILLATION

A. A. Alexandrova, A. Penev, M. Negreva, 2014 .

Effect of selective beta-blockade with bisoprolol in the treatment of recent-onset atrial fibrillation

A. Penev, M. Negreva, 2012, Folia medica.