1. Abad MJ, Bedoya LM, Bermejo P (2010) An update on drug interactions with the herbal medicine Ginkgo biloba. Curr Drug Metab 11(2):171–181. https://doi.org/10.2174/138920010791110818
2. Agarwal SS, Singh VK (1999) Immunomodulators: a review of studies on Indian medicinal plants and synthetic peptides. Part I: medicinal plants. PINSA-B: Proceedings of the Indian National Science Academy, Part B: Biological Sciences 65(3&4):179–204
3. Akmal M, Zarnigar, Rashid B (2016) Evaluation of Chale neem (Azadirachta Indica) as an Immunomodulator in elderly persons: A single blind randomized placebo controlled study. Res Rev J Pharmacol 6(3):48–52
4. Ali M, Khan T, Fatima K, Ali QUA, Ovais M, Khalil AT, Ullah I, Raza A, Shinwari ZK, Idrees M (2018) Selected hepatoprotective herbal medicines: evidence from ethnomedicinal applications, animal models, and possible mechanism of actions. Phytother Res 32(2):199–215. https://doi.org/10.1002/ptr.5957
5. Almeida ER (2009). Plantas adaptógenas e com ação no sistema nervoso central. São Paulo: Biblioteca 24 horas, 2009