TY - RPRT TI - POLYAN: a computer program for polyparametric analysis of cardio-respiratory variability signals. AU - R Maestri AU - G D Pinna PY - 1998 DO - 10.1016/s0169-2607(98)00004-2 UR - https://pubmed.ncbi.nlm.nih.gov/9617526/ ID - 9617526 ER -