http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4937549/
Gordon Barefooters Jan 5, 2015 270 308 63 64 Aug 5, 2016 #1 Aug 5, 2016 #1 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4937549/ Reactions: Barefoot TJ