Tyumen Cardiology Center
www.infarkta.net

XV World Congress of the International Cardiac Doppler Society
www.icds2006.com

Society of Cardiology of Russian Federation
www.cardiosite.ru

Russian Association for Ultrasound in Medicine
www.rasudm.org

European Federation of Societies for Ultrasound in Medicine and Biology
www.efsumb.org

American Institute of Ultrasound in Medicine
www.aium.org

American Society of Echocardiography
www.asecho.org

International Cardiac Doppler Society
www.icdsweb.org

American Heart Association
www.americanheart.org

American College of Cardiology
www.acc.org

European Society of Cardiology
www.escardio.org

European Association of Echocardiography
www.escardio.org/EAE

Australasian Society for Ultrasound in Medicine
www.asum.com.au

Journal «Cardiology»
www.mediasphera.aha.ru

PubMed
www.ncbi.nlm.nih.gov/PubMed