https://www.youtube.com/watch?v=6-elCYFhqJs#action=share [1]
https://www.youtube.com/watch?v=uwbCCm8Y8G8 [2]
http://orthomolecular.org/resources/omns/v16n11.shtml [3]
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/newsfromunderground/P-U8HNFLLbg/Ryqu_Tm-AgAJ [4]