References
- Higgins JPT, Thomas J, Chandler J, Cumpston M, Li T, Page MJ, et al., editors. 2019. Cochrane handbook for systematic reviews of interventions version 6.0 [Internet]. Available from: www.training.cochrane.org/handbook
- Liao C, Lan S, Yen Y, Hsieh Y, Lan S. 2020. Aromatherapy intervention on anxiety and pain during first stage labour in nulliparous women: a systematic review and meta-analysis. Journal of Obstetrics and Gynaecology 1–11.
- Liberati A, Altman DG, Tetzlaff J, Mulrow C, Gøtzsche PC, Ioannidis JPA, et al. 2009. The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate healthcare interventions: explanation and elaboration. The BMJ 339:b2700.
- Smith CA, Collins CT, Crowther CA. 2011. Aromatherapy for pain management in labour. Cochrane Database of Systemic Reviews 7:CD009215.
- [WHO] World Health Organisation. 2015. WHO recommendations: intrapartum care for a positive childbirth experience [Internet]. Available from: https://www.who.int/publications/i/item/9789241550215