Figure 2.

Averaged FMCG signal FMCG signal traces from 4 selected channels of the averaged data of a recording performed in the 39th week of gestation. The vertical lines show how the signal onsets and ends were set and used to determine the cardiac time intervals. (B = magnetic field strength)

van Leeuwen et al. BMC Pregnancy and Childbirth 2004 4:6   doi:10.1186/1471-2393-4-6
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