1. Hidden costs associated with the universal application of risk management in maternity care;McIntyre;Australian Health Review,2011
2. Effect of delivery mode and nutrition on gut microbiota in neonates;Akagawa;Annals of Nutrition and Metabolism,2019
3. Trends in midwifery in the United States;Alvarez;Social Sciences.,2014
4. Anim-Somuah, M., Smyth, R. M. D., Cyna, A.M., Cuthbert, A., 2018. Epidural versus non-epidural or no analgesia for pain management in labour. Cochrane Library, Available from: https://doi.org/10.1002/14651858.CD000331.pub4; accessed 4th October 2019.
5. Thematic networks: An analytic tool for qualitative research;Attride-Stirling;Qualitative Research,2001