Concentration of apelin inversely correlates with atrial fi brillation burden Our authors: Tóthová Ľubomíra All authors: Bohm A, Urban L, Tothova L, Bezak B, Uher T, Musil P, Kyselovic J, Lipton J, Olejnik P, Hatala R Bratislavské Lekárske Listy. 2021;122(3):165-171. Pubmed