1. Prevalences of ECG findings in large population based samples of men and women;De Bacquer;Heart,2000
2. Incidence of electrocardiographic alterations in the preoperative period of non-cardiac surgery;Martínez,2021
3. The usefulness of routine preoperative chest X-rays and ECGs: a prospective audit;Lim;Singap Med J,2003
4. Prognostic value of routine preoperative electrocardiography in patients undergoing noncardiac surgery;Noordzij;Am J Cardiol,2006
5. Evaluation of routine preoperative electrocardiogram-A lagos state university teaching hospital study;Adebola;Nigerian Journal of Clinical Medicine,2011