TY  - RPRT
TI  - Relationship between heart rate variability and hypercholesterolaemia.
AU  - S Danev
AU  - R Nikolova
AU  - M Kerekovska
AU  - S Svetoslavov
PY  - 1997
UR  - https://pubmed.ncbi.nlm.nih.gov/9386902/
ID  - 9386902
ER  -