B. Classen, S. Thude, W. Blaschek, M. Wack and C. Bodinet, “Immunomodulatory Effects of Arabinogalactan-Proteins from Baptisia and Echinacea,” Phytomedicine, Vol. 13, No. 9-10, 2006, pp. 688-694. doi:10.1016/j.phymed.2005.10.004
 J. Hauer and F. A. Anderer, “Mechanism of Stimulation of Human Natural Killer Cytotoxicity by Arabinogalactan from Larix Occidentalis,” Cancer Immunol Immunother, Vol. 36, No. 4, 1993, pp. 237-244. doi:10.1007/BF01740905
 E. M. Choi, A. J. Kim, Y. O. Kim and J. K. Hwang, “Immunomodulating Activity of Arabinogalactan and Fucoidan in Vitro,” Journal of Medicinal Food, Vol. 8, No. 4, 2005, pp. 446-453. doi:10.1089/jmf.2005.8.446
 R. R. Robinson, J. Feirtag and J. L. Slavin, “Effects of Dietary Arabinogalactan on Gastrointestinal and Blood Parameters in Healthy Human Subjects,” Journal of the American College of Nutrition, Vol. 20, No. 4, 2001, pp. 279-285.
 J. K. Udani, B. B. Singh, M. L. Barrett and V. J. Singh, “Proprietary Arabinogalactan Extract Increases Antibody Response to the Pneumonia Vaccine: A Randomized, Double-Blind, Placebo-Controlled, Pilot Study in Healthy Volunteers,” Nutrition Journal, Vol. 9, 2010, p. 32.
 L. S. Kim, P. M. Burkholder and R. F. Waters, “Effects of Low-Dose Larch Arabinogalactan from Larix Occidentalis: A Randomized, Double-Blind, Placebo-Controlled Pilot Study,” Journal of Evidence-Based Complementary & Alternative Medicine, Vol. 7, No. 3, 2002, pp. 221-229.
 C. M. Grieshop, E. A. Flickinger and G. C. Fahey, Jr., “Oral Administration of Arabinogalactan Affects Immune Status and Fecal Microbial Populations in Dogs,” Journal of Nutrition, Vol. 132, No. 3, 2002, pp. 478-482.
 L. S. Kim, R. F. Waters and P. M. Burkholder, “Immunological Activity of Larch Arabinogalactan and Echinacea: A Preliminary, Randomized, Double-Blind, Placebo-Controlled Trial,” Alternative Medicine Review: A Journal of Clinical Therapeutic, Vol. 7, No. 2, 2002, pp. 138-149.