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4. Felter HW, Lloyd JU. King's American Dispensatory, 18th ed, vol 1. Portland, OR: Eclectic Medical Publications, 1898, 1983:288-1.
5. Vogel VJ. American Indian Medicine. Norman: University of Oklahoma Press, 1970:287-8.
6. Felter HW, Lloyd JU. King's American Dispensatory, 18th ed, vol 1. Portland, OR: Eclectic Medical Publications, 1898, 1983:288-1.
7. Moore M. Medicinal Plants of the Mountain West. Santa Fe: Museum of New Mexico Press, 1979:130.
8. Felter HW, Lloyd JU. King's American Dispensatory, 18th ed, vol 1. Portland, OR: Eclectic Medical Publications, 1898, 1983:288-1.
9. Moore M. Medicinal Plants of the Mountain West. Santa Fe: Museum of New Mexico Press, 1979:130.
10. Brinker F. Herb Contraindications and Drug Interactions. Sandy, OR: Eclectic Medical Publications, 1998, 112-3.