Tham khảo Cây_cỏ_Gấu

  1. ↑ Janice J. Schofield (1989). Discovering wild plants: Alaska, western Canada, the Northwest. tr. 217. ISBN 978-0-88240-355-7.
  2. 1 2 Pegg, Ronald B.; Rybarczyk, Anna and Amarowicz, Ryszard (2008) "Chromatographic Separation of Tannin Fractions from a Bearberry-leaf (Arctostaphylos Uva-ursi L. Sprengel) Extract by Se-hplc – a Short Report" Polish Journal of Food and Nutrition Sciences 58(4): pp. 485–490
  3. ↑ Lyons, C. P. (1956). Trees, Shrubs and Flowers to Know in Washington (ấn bản 1). Canada: J. M. Dent & Sons. tr. 196.
  4. 1 2 Blumenthal M (translation from German) (1998). Therapeutic Guide to Herbal Medicines. American Botanical Council. Thieme. ISBN 978-0-9655555-0-0.
  5. 1 2 Allen C. Bowling (2006). Complementary and Alternative Medicine and Multiple Sclerosis. Demos Medical Publishing. tr. 127. ISBN 978-1-932603-54-5.
  6. ↑ Nordeng H. and Havnen, G.C. (2005) "Impact of socio-demographic factors, knowledge and attitude on the use of herbal drugs in pregnancy" Acta Obstetricia et Gynecologica Scandinavica 84(1): pp. 26–33, note 16, doi:10.1111/j.0001-6349.2005.00648.x