Rodríguez Taboada, R.E. and Sierra Figueredo, P. 2004. Geomagnetic activity related to acute myocardial infarctions: Relationship in a reduced population and time interval. Geofisica Internacional. 43, 2 (Apr. 2004), 265–269. DOI:https://doi.org/10.22201/igeof.00167169p.2004.43.2.178.