Where can I find some scholarly articles on the high absorption magnesium?

You can become a part of chemistry and biological journals and forums. They are mostly paid forums but have the latest insights. Apart from that here are a few links. They will provide you with the new white papers and research work being done to study the high absorption of magnesium and also its use in human body.

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1727998/pdf/v047p00199.pdf

http://www.jacn.org/content/13/5/485.short

http://jn.nutrition.org/content/133/1/1.abstract

http://emedicine.medscape.com/article/2038394-overview