Hofmeyr, G. J., Vogel, J. P., Singata, M., Habib, N. A., Landoulsi, S., & Gülmezoglu, A. M. (2018). Does gentle assisted pushing or giving birth in the upright position reduce the duration of the second stage of labour? A three-arm, open-label, randomised controlled trial in South Africa. BMJ Glob Health.

Hofmeyr, G Justus, Joshua P. Vogel, Mandisa Singata, Ndema Abu Habib, Sihem Landoulsi, and A Metin Gülmezoglu. "Does Gentle Assisted Pushing or Giving Birth in the Upright Position Reduce the Duration of the Second Stage of Labour? A Three-arm, Open-label, Randomised Controlled Trial in South Africa." BMJ Glob Health 2018.

Hofmeyr, G Justus, et al. "Does Gentle Assisted Pushing or Giving Birth in the Upright Position Reduce the Duration of the Second Stage of Labour? A Three-arm, Open-label, Randomised Controlled Trial in South Africa." BMJ Glob Health 2018.