S. Michaelis

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?

Karim D. Kalache, Anna M. Dückelmann, S. Michaelis et al. · Ultrasound in Obstetrics and Gynecology · 2009 · 253 citations · Full text

Measurement of fetal head descent using the ‘angle of progression’ on transperineal ultrasound imaging is reliable regardless of fetal head station or ultrasound expertise

Anna M. Dückelmann, Christian Bamberg, S. Michaelis et al. · Ultrasound in Obstetrics and Gynecology · 2009 · 166 citations

Impact of intrapartal ultrasound to assess fetal head position and station on the type of obstetrical interventions at full cervical dilatation

Anna M. Dückelmann, S. Michaelis, Christian Bamberg et al. · The Journal of Maternal-Fetal & Neonatal Medicine · 2011 · 42 citations

Ets‐1 is up‐regulated together with its target gene products matrix metalloproteinase‐2 and matrix metalloproteinase‐9 in atypical and anaplastic meningiomas

A. F. Okuducu, Ulrich Zils, S. Michaelis et al. · Histopathology · 2006 · 28 citations