2005m-936 arterielledissektion aufsatzsammlung blood-vessels bloodsupply bloodvessels brain cerebralarterialdiseases cerebralcirculation cerebrovascularcirculation cerebrovasculardisease cervicalvertebrae dissection duplexultrasonography etc handbooks hirnarterie manuals physiology physiopathology ultrasonicimaging ultrasonography vertebralarterydissection wl302h9181994 wl355h23662005 wl355r447u1993