The pros and cons of phytoestrogens
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3074428/
Onderzoek naar voorkeuren
http://www.jphysiolanthropol.com/content/pdf/1880-6805-31-13.pdf
Vernieuwde inzichten over vitamine K2 (menquinone-7
http://www.orthokennis.nl/ResearchItem.asp?IDResearch=74
Over vitamine k1 en k2
http://naturafoundation.nl/?objectID=45&action=pdf&id=41519
Vitamine K2 bij botontkalking en aderverkalking
http://www.tigweb.nl/TIG23_19_de_Munck-Khoe_-_Vitamine_K2.pdf
The vitamin K
http://menaq7.com/k-vitamins-overview/what-are-k-vitamins/
Referenties (voor wie de onderzoeken wil)
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