Sharoni, Y; Linnewiel-Hermoni, K; Zango, G; Khanin, M; Salman, H; Veprik, A; Danilenko, M; Levy, J (2012). «The role of lycopene and its derivatives in the regulation of transcription systems: Implications for cancer prevention». American Journal of Clinical Nutrition96 (5): 1173S-8S. PMID23053550. doi:10.3945/ajcn.112.034645.
Kerr Dow, F. (8 de noviembre de 2005). «Qualified Health Claims: Letter Regarding Tomatoes and Prostate Cancer (Lycopene Health Claim Coalition) (Docket No. 2004Q-0201)»(html). FDA(en inglés). Archivado desde el original el 2 de octubre de 2013. Consultado el 9 de noviembre de 2018. «Based on FDA's consideration of the scientific evidence submitted with your petition, and other pertinent scientific evidence, FDA concludes that there is no credible evidence to support a qualified health claim for tomato lycopene; tomatoes and tomato products, which contain lycopene; lycopene in tomatoes and tomato products; lycopene in fruits and vegetables, including tomatoes and tomato products, and lycopene as a food ingredient, a component of food, or as a dietary supplement and reduced risk of prostate cancer.»
Sharoni, Y; Linnewiel-Hermoni, K; Zango, G; Khanin, M; Salman, H; Veprik, A; Danilenko, M; Levy, J (2012). «The role of lycopene and its derivatives in the regulation of transcription systems: Implications for cancer prevention». American Journal of Clinical Nutrition96 (5): 1173S-8S. PMID23053550. doi:10.3945/ajcn.112.034645.
Kerr Dow, F. (8 de noviembre de 2005). «Qualified Health Claims: Letter Regarding Tomatoes and Prostate Cancer (Lycopene Health Claim Coalition) (Docket No. 2004Q-0201)»(html). FDA(en inglés). Archivado desde el original el 2 de octubre de 2013. Consultado el 9 de noviembre de 2018. «Based on FDA's consideration of the scientific evidence submitted with your petition, and other pertinent scientific evidence, FDA concludes that there is no credible evidence to support a qualified health claim for tomato lycopene; tomatoes and tomato products, which contain lycopene; lycopene in tomatoes and tomato products; lycopene in fruits and vegetables, including tomatoes and tomato products, and lycopene as a food ingredient, a component of food, or as a dietary supplement and reduced risk of prostate cancer.»