Relationship between heart failure, concurrent chronic obstructive pulmonary disease and beta-blocker use: A Danish nationwide cohort study

Maurizio Sessa^*, Annamaria Mascolo, Rikke Nørmark Mortensen, Mikkel Porsborg Andersen, Giuseppe Massimo Claudio Rosano, Annalisa Capuano, Francesco Rossi, Gunnar Gislason, Henrik Enghusen-Poulsen, Christian Torp-Pedersen

^*Corresponding author af dette arbejde