- Lakhanpal P, Rai D. Quercetin: A Versatile Flavonoid. Internet Journal of Medical Update – EJOURNAL. 2007;2(2):22. doi:10.4314/ijmu.v2i2.39851.
- Weng Z, Zhang B, Asadi S et al. Quercetin Is More Effective than Cromolyn in Blocking Human Mast Cell Cytokine Release and Inhibits Contact Dermatitis and Photosensitivity in Humans. PLoS ONE. 2012;7(3):e33805. doi:10.1371/journal.pone.0033805.
- Riehemann K, Behnke B, Schulze-Osthoff K. Plant extracts from stinging nettle (Urtica dioica), an antirheumatic remedy, inhibit the proinflammatory transcription factor NF-κB. FEBS Lett. 1999;442(1):89-94. doi:10.1016/s0014-5793(98)01622-6.
- Roschek B, Fink R, McMichael M, Alberte R. Nettle extract (Urtica dioica) affects key receptors and enzymes associated with allergic rhinitis. Phytotherapy Research. 2009;23(7):920-926. doi:10.1002/ptr.2763.
- Fritz H. MA ND Oil of Oregano | NPC. Naturopathiccurrentscom. 2015. Available at: https://www.naturopathiccurrents.com/articles/oil-oregano. Accessed June 21, 2018.
