Non-invasive fetal electrocardiography, electrohysterography and speckle-tracking echocardiography in the second trimester: study protocol of a longitudinal prospective cohort stud...

by T. J. Nichting, M. W. E. Frenken, D. A. A. van der Woude, N. H. M. van Oostrum, C. M. de Vet, B. G. van Willigen, J. O. E. H. van Laar, M. van der Ven, S. G. Oei
Published 2021