TY - RPRT TI - Beta-adrenoceptor modulation and heart rate variability--the value of scatterplot measures of compactness. AU - B Silke AU - C G Hanratty AU - S M Veres AU - J G Riddell PY - 2000 DO - 10.1023/a:1007872418215 UR - https://pubmed.ncbi.nlm.nih.gov/10999651/ ID - 10999651 ER -