Abnormal electrocardiographic findings in athletes: Correlation with intensity of sport and level of competition Hélder Dores, Aneil Malhotra, Nabeel Sheikh, Lynne Millar, Harshil Dhutia, Rajay Narain, Ahmed Merghani, Michael Papadakis, Sanjay Sharma

Variability in interpretation of the electrocardiogram in athletes: Another limitation in pre-competitive screening Hélder Dores, José Ferreira Santos, Paulo Dinis, Francisco Moscoso Costa, Lígia Mendes, José Monge, António Freitas, Pedro de Araújo Gonçalves, Nuno Cardim, Miguel Mendes

Benign and pathological electrocardiographic changes in athletesBenign and pathological electrocardiographic changes in athletes Marino Machado, Manuel Vaz Silva