DOI: 10.1055/s-00000142

Frauenheilkunde up2date

References

Kalache KD, Dückelmann AM, Michaelis SAM et al.
Transperineal ultrasound imaging in prolonged second stage of labor with occipitoanterior presenting fetuses: how well does the “angle of progression” predict the mode of delivery?.

Ultrasound Obstet Gynecol 2009;
33: 326-330

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