TY - RPRT TI - Causal transfer function analysis to describe closed loop interactions between cardiovascular and cardiorespiratory variability signals. AU - L Faes AU - A Porta AU - R Cucino AU - S Cerutti AU - R Antolini AU - G Nollo PY - 2004 DO - 10.1007/s00422-004-0488-0 UR - https://pubmed.ncbi.nlm.nih.gov/15278463/ ID - 15278463 ER -