European Journal of Preventive Cardiology. European Society of Cardiology.
Chicago-čujuhus (17. p.)European Journal of Preventive Cardiology. European Society of Cardiology.
MLA-čujuhus (9. p.)European Journal of Preventive Cardiology. European Society of Cardiology.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.