TY - RPRT TI - Comparison of different algorithms for P-onset and P-offset recognition in ECG programs. AU - S Klusmeier AU - H Klinkers AU - P Friedrichs AU - C Zywietz PY - 1976 DO - 10.1159/000398401 UR - https://pubmed.ncbi.nlm.nih.gov/775916/ ID - 775916 ER -