TY  - RPRT
TI  - R-R variations, a test of autonomic dysfunction.
AU  - A Persson
AU  - G Solders
PY  - 1983
DO  - 10.1111/j.1600-0404.1983.tb04577.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6880606/
ID  - 6880606
ER  -