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HARVARD Citation
Nakanishi, K. et al. (2021). Prevalence of umbilical artery Doppler waveform abnormality during the early second trimester and the subsequent variation of waveforms in monochorionic diamniotic twin pregnancies: A prospective cohort study. Journal of obstetrics and gynaecology research. 47 (7), pp. 2338-2346. [Online].