• 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/
• 24-hour heart rate profile in assessment of target organs in women with arterial hypertensionŠipilova, Tatjana; Pšenitšnikov, Igor; Karai, Deniss; Ripulk, E,; Kaik, JüriKardiologiya2013 / p. 45-50 https://pubmed.ncbi.nlm.nih.gov/23548350/ https://www.scopus.com/sourceid/23904 https://www.scopus.com/record/display.uri?eid=2-s2.0-84877035074&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=cl&s=AUTH%28%22Shipilova%2C+T%22%29&sessionSearchId=c47ea1a2e3bf9eff508edc623fd8b2f0