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Dependency of magnetocardiographically determined fetal cardiac time intervals on gestational age, gender and postnatal biometrics in healthy pregnancies

Peter van Leeuwen*, Silke Lange, Anita Klein, Daniel Geue and Dietrich HW Grönemeyer

BMC Pregnancy and Childbirth 2004, 4:6  doi:10.1186/1471-2393-4-6