HDDC. Metabolic unit [Internet]. Harvard Digestive Diseases Center [cited 2023 Aug 17].
Horváth G, Ács K. Essential oils in the treatment of respiratory tract diseases highlighting their role in bacterial infections and their anti-inflammatory action: a review. Flavour and Fragrance Journal. 2015 Sep;30(5):331-341. doi: 10.1002/ffj.3252.
Ajmera R. Institute for Basic Biomedical Sciences ok. Coordinated Services for Metabolism Research [Internet]. [cited 2023 Aug 17].
Kaputk. How Mullein Benefits Your Lungs [Internet]. Cleveland Clinic; 2022 [cited 2023 Aug 17].
Meerman R, Brown AJ. When somebody loses weight, where does the fat go? BMJ. 2014 Dec 16;349. doi:10.1136/bmj.g7257
Tobyn G, Denham A, Whitelegg M. CHAPTER 30 – Tussilago farfara, coltsfoot. In: The Western Herbal Tradition 2000 years of Medicinal Plant Knowledge. Edinburgh: Churchill Livingstone/Elsevier; 2011. p. 317–26. doi:10.1016/B978-0-443-10344-5.00035-5.
Washburn RA, Jacobsen DJ, Sonko BJ, Hill JO, Donnelly JE. The validity of the Stanford Seven-Day Physical Activity Recall in young adults. Medicine and science in sports and exercise. 2003 Aug;35(8):1374-80. doi:10.1249/01.MSS.0000079081.08476.EA.
WebMD Editorial Contributors, Sachdev P. Serrapeptase: Pain relief effects, infection prevention, and other health benefits [Internet]. WebMD; 2022 [cited 2023 Aug 17].
What role do antioxidants play in weight loss? [Internet]. Dieture; 2023 [cited 2023 Aug 17].