Guarana (Swedish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Guarana" in Swedish language version.

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informaworld.com

D. K. Bempong a; P. J. Houghton a; Kathryn Steadman a. The Xanthine Content of Guarana and Its Preparations. Pharmaceutical Biology. August 1993.http://www.informaworld.com/smpp/content~content=a786686882~db=all

Ashihara H, Sano H, Crozier A (February 2008). "Caffeine and related purine alkaloids: biosynthesis, catabolism, function and genetic engineering". Phytochemistry 69 (4): 841–56. doi:10.1016/j.phytochem.2007.10.029. PMID 18068204.
Espinola EB, Dias RF, Mattei R, Carlini EA (February 1997). "Pharmacological activity of Guarana (Paullinia cupana Mart.) in laboratory animals". J Ethnopharmacol 55 (3): 223–9. doi:10.1016/S0378-8741(96)01506-1. PMID 9080343.
Haskell CF, Kennedy DO, Wesnes KA, Milne AL, Scholey AB (January 2007). "A double-blind, placebo-controlled, multi-dose evaluation of the acute behavioral effects of guaraná in humans". J. Psychopharmacol. (Oxford) 21 (1): 65–70. doi:10.1177/0269881106063815. PMID 16533867.

Matt Moffett and Nikhil Deogun, The Wall Street Journal. "Guarana's potent reputation makes consumers drink it up". Standard-Times. http://www.s-t.com/daily/07-99/07-11-99/b03bu068.htm. Retrieved 2007-09-18.