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- Wendy Robbins, AromaWeb, Aromatherapy during pregnancy, https://www.aromaweb.com/articles/aromatherapyduringpregnancy.asp
- NAHA.org, Other Safety Considerations, Exploring Aromatherapy https://naha.org/index.php/explore-aromatherapy/safety/#pregnancy
- https://naha.org/index.php/explore-aromatherapy/safety/#pregnancy
- Randy Dotinga, WebMD, 2016, More children accidentally poisoned be essential oils, Health Day News, https://www.webmd.com/children/news/20160513/more-children-accidently-poisoned-by-essential-oils
- Amanda Barrell, Medical News Today, 2018, https://www.medicalnewstoday.com/articles/322532
- Suzanne Catty. (2001), Hydrosols the Next Aromatherapy. Vermont: Healing Arts Press
- Suzanne Catty, (2001), Hydrosols the Next Aromatherapy, Vermont: Healing Arts Press