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Sharpe, Patricia A.; Granner, Michelle L.; Conway, Joan M.; Ainsworth, Barbara E.; Dobre, Mirela (December 2006). "Availability of weight-loss supplements: Results of an audit of retail outlets in a southeastern city". Journal of the American Dietetic Association. 106 (12): 2045–51. doi:10.1016/j.jada.2006.09.014. PMID17126636.
Hess, A.M.; Sullivan, D.L. (March 2005). "Potential for toxicity with use of bitter orange extract and guarana for weight loss". The Annals of Pharmacotherapy. 39 (3): 574–5. doi:10.1345/aph.1E249. PMID15657116. S2CID28294405.
Sharpe, Patricia A.; Granner, Michelle L.; Conway, Joan M.; Ainsworth, Barbara E.; Dobre, Mirela (December 2006). "Availability of weight-loss supplements: Results of an audit of retail outlets in a southeastern city". Journal of the American Dietetic Association. 106 (12): 2045–51. doi:10.1016/j.jada.2006.09.014. PMID17126636.
Hess, A.M.; Sullivan, D.L. (March 2005). "Potential for toxicity with use of bitter orange extract and guarana for weight loss". The Annals of Pharmacotherapy. 39 (3): 574–5. doi:10.1345/aph.1E249. PMID15657116. S2CID28294405.
Hess, A.M.; Sullivan, D.L. (March 2005). "Potential for toxicity with use of bitter orange extract and guarana for weight loss". The Annals of Pharmacotherapy. 39 (3): 574–5. doi:10.1345/aph.1E249. PMID15657116. S2CID28294405.