Bachiega TF, de Sousa JP, Bastos JK, Sforcin JM
Journal of Pharmacy and Pharmacology, 2012

Immune System
This system includes the lymph nodes, white blood cells, lymphatic vessels, thymus gland, bone marrow, spleen and leukocytes. Common disorders include anything with bacterial, viral or fungal origins, leukemia, allergic reactions and autoimmune diseases like lupus or rheumatoid arthritis.
Antimicrobial activity of lavender, tea tree and lemon oils in cosmetic preservative systems
Kunicka-Styczyńska A, Sikora M, Kalemba D
Journal of Applied Microbiology, 2009