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. 2014 Aug 20;9(8):e104193. doi: 10.1371/journal.pone.0104193

Figure 1. Example of fRR series and umbilical cord occlusions (UCOs) pressure signal (bottom bold line).

Figure 1

Dashed boxes emphasize stable fRR intervals (without artifacts and UCO-induced decelerations). Black stars mark artifacts or reconstructed fRR samples, excluded from being anchor points in the PRSA analysis.