Nine times blood-doping in Bundesliga?

A five year old study seems to contradict the whole Anti-Doping-Talk of German football officials: high blood values from the Bundesliga season 2008/2009 might indicate blood doping. The German football federation DFB says, the values can be explained by normal deviations. But as long as doping controls don’t get better in the Bundesliga, doping is on the table.