http://heart.bmj.com/content/90/5/496.short
Heady Muscle VIP Member Oct 13, 2014 736 414 Apr 6, 2016 #37 http://heart.bmj.com/content/90/5/496.short
Heady Muscle VIP Member Oct 13, 2014 736 414 Apr 6, 2016 #38 http://content.onlinejacc.org/article.aspx?articleid=1126934#tab1