The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.

Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

Liu YL, Ho DK, Cassady JM, et al. Isolation of potential cancer chemopreventive agents from Eriodictyon californicum. J Nat Prod 1992;55:357-63. View abstract.

Weiner MA, Weiner JA. Herbs that heal: prescription for herbal healing. Mill Valley, CA:Quantum Books, 1999.

Westmoreland, J. Yerba santa in influenza. Lancet 1898;151(3895):1114-1115.

Remington, JP, Wood, HC, and et al. The dispensatory of the United States of America, 20th ed.1918.

Ritter, FW. Eriodictyon glutinosum. Am J Pharm 1895;67:1-7.

The British Pharmaceutical Codex. Council of the Pharmaceutical Society of Great Britain, 1911.

Fischer W, Currais A, Liang Z, Pinto A, Maher P. Old age-associated phenotypic screening for Alzheimer's disease drug candidates identifies sterubin as a potent neuroprotective compound from Yerba santa. Redox Biol. 2019:101089. View abstract.

Mödinger Y, Schön C, Wilhelm M, Pickel C, Grothe T. A food supplement with antioxidative Santa herba extract modulates energy metabolism and contributes to weight management. J Med Food. 2021 Nov;24(11):1235-42. View abstract.

Taguchi N, Hata T, Kamiya E, et al. Eriodictyon angustifolium extract, but not Eriodictyon californicum extract, reduces human hair greying. Int J Cosmet Sci. 2020 Aug;42(4):336-45. View abstract.