@ARTICLE{
author={Kadoglou Nikolaos PE,Parissis John,Seferovic Petar M,Filippatos Gerasimos},
year={2019},
title={Vaccination in Patients With Heart Disease. How Long Should We Wait? Response},
journal={REVISTA ESPANOLA DE CARDIOLOGIA},
volume={72},
number={6},
pages={516-516},
document_type={Letter},
} 

@ARTICLE{
author={Kadoglou Nikolaos PE,Parissis John,Seferovic Petar M,Filippatos Gerasimos},
year={2018},
title={Vaccination in Heart Failure: An Approach to Improve Outcomes},
journal={REVISTA ESPANOLA DE CARDIOLOGIA},
volume={71},
number={9},
pages={697-699},
document_type={Editorial Material},
}