W Kreuz, CE Ettingshausen, G Auerswald, IM Saguer, S Becker, M Funk, C Heller, D Klarmann, T Klingebiel, GTH PUP Study Group. Epidemiology of inhibitors and current treatment strategies. Haematologica 2003;88(6):EREP04-EREP04; https://doi.org/10.3324/%x.