Hazari, M. A. H. “Intracellular Divalent Ion Oscillations: Is This the Key Phenomenon in Rhythm Generators? Divalent Ion Oscillations in Rhythm Generators”. Annals of Medical Physiology, vol. 3, no. 2, June 2019, pp. 19-20, doi:10.23921/amp.2019v3i2.54657.