@misc{indiciaeb057c438683d, title = {Relationship between heart rate variability and hypercholesterolaemia.}, author = {S Danev and R Nikolova and M Kerekovska and S Svetoslavov}, year = {1997}, url = {https://pubmed.ncbi.nlm.nih.gov/9386902/}, note = {Source identifier: 9386902} }