Doctors start tests on Michael Schumacher's injury; future uncertainSchumacher's wife and two children are at his bedside.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceDoctors start tests on Michael Schumacher's injury; future uncertainMichael Schumacher's blood can be seen on the snow where his skiing accident occurred :: AFP/Getty Images Schumacher's wife and two children are at his bedside. Add us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished Jan 13, 2014 | Modified Jan 13, 2014SI STAFFShare on FacebookShare on XHome/Racing