European journal of vascular and endovascular surgery : the official journal of the European Society for Vascular Surgery, Volume 34, Issue 3, 19 3 2007, Pages 378 The Oslo Balloon Angioplasty versus Conservative Treatment Study (OBACT) - The 2-years results of a single centre, prospective, randomised study in patients with intermittent claudication. Breek JC, De Vries J, Hamming JF