Cita APA (7a ed.)

Nichting, T. J., Frenken, M. W. E., Woude, D. A. A. v. d., Oostrum, N. H. M. v., Vet, C. M. d., Willigen, B. G. v., . . . Oei, S. G. (2021). Non-invasive fetal electrocardiography, electrohysterography and speckle-tracking echocardiography in the second trimester: Study protocol of a longitudinal prospective cohort study (BEATS-study). BMC.

Cita Chicago Style (17a ed.)

Nichting, T. J., 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, y S. G. Oei. Non-invasive Fetal Electrocardiography, Electrohysterography and Speckle-tracking Echocardiography in the Second Trimester: Study Protocol of a Longitudinal Prospective Cohort Study (BEATS-study). BMC, 2021.

Cita MLA (8a ed.)

Nichting, T. J., et al. Non-invasive Fetal Electrocardiography, Electrohysterography and Speckle-tracking Echocardiography in the Second Trimester: Study Protocol of a Longitudinal Prospective Cohort Study (BEATS-study). BMC, 2021.

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