Heart rate and QT-interval dispersion eith consideration of left ventricular geometry in a population study of men and women aged 35-59 yearsShipilova, Tatjana; Pšenitšnikov, Igor; Kaik, Jüri; Volozh, Olga; Abina, Jelena; Kaik, V.; Solodkaja, E.; Udras, A.Kardiologiya2005 / p. 55-59 https://pubmed.ncbi.nlm.nih.gov/16353067/

Heart rate, blood pressure and left ventricular hypertrophy in middle-aged Tallinn populationShipilova, Tatjana; Pšenitšnikov, Igor; Kaik, Jüri; Kaik, V.; Udras, A.; Abina, Jelena; Solodkaja, E.Proceedings of 3rd Baltic Meeting on Hypertension, 20052005 / p. 118-120