Beware of regression of electrocardiographic abnormalities on detraining – It may not always mean ‘athlete's heart’ José Pedro Marques, António Freitas, João Abecasis

Electrocardiographic evaluation in athletes: ‘Normal’ changes in the athlete's heart and benefits and disadvantages of screening Sérgio Machado Leite, João Freitas, Manuel Campelo, M. Júlia Maciel

The Portuguese Registry of Hypertrophic Cardiomyopathy: Overall results Nuno Cardim, Dulce Brito, Luís Rocha Lopes, António Freitas, Carla Araújo, Adriana Belo, Lino Gonçalves, Jorge Mimoso, Iacopo Olivotto, Perry Elliott, Hugo Madeira