Download der Studie von Guangwen Tang, Yuming Hu, Shi-an Yin, Yin Wang, Gerard E. Dallal, Michael A. Grusak und Robert M. Russell: http://wwww.goldenrice.org/PDFs/GR_bioavailability_AJCN2012.pdf / http://ajcn.nutrition.org/content/96/3/658.full?sid=47772297-65ed-4d1f-985d-d9eb3dd1ba46