DOI: 10.1055/s-00000009

American Journal of Perinatology

References

Kalache KD, Dückelmann AM, Michaelis SA, Lange J, Cichon G, Dudenhausen JW.
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 (03) 326-330

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