http://endo.endojournals.org/cgi/con...ll/145/12/5417
http://endo.endojournals.org/cgi/content/full/148/1/4
http://jpet.aspetjournals.org/conten...urcetype=HWCIT
http://endo.endojournals.org/cgi/con...ll/146/11/4887
http://joe.endocrinology-journals.or...full/191/2/349
http://dmd.aspetjournals.org/content/34/2/243.abstract
http://etd.ohiolink.edu/send-pdf.cgi...=osu1085757928
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2072879/
I hope that's enough for now - have fun reading