Reid, H., Hayes, D., Wittkowski, A., Vause, S., Whitcombe, J., & Heazell, A. (2017). The effect of senior obstetric presence on maternal and neonatal outcomes in UK NHS maternity units: a systematic review and meta-analysis. BJOG: An International Journal of Obstetrics & Gynaecology, 124(9), 1321–1330. doi:10.1111/1471-0528.14649
