Thrombosis and Haemostasis, Table of Contents Thromb Haemost 1983; 50(03): 753-754DOI: 10.1055/s-0038-1665302 International Committee Communications Schattauer GmbH Stuttgart Factor VIII Concentrate: A Comparison of Manufacturers’ Assays and Users’ AssaysReport of a Survey Carried Out on Behalf of the ICTH Subcommittee on Factor VIII Activities C R Rizza The Oxford Haemophilia Centre, Churchill Hospital, Headington, Oxford, England › Author AffiliationsRecommend Article Abstract PDF Download Buy Article PDF (104 kb) References References 1 Kasper CK. Decreased potency of factor VIII concentrates. Thromb Haemostas 1981; 46: 217 (Abstr) 2 Kasper CK. Problems with the potency of factor VIII concentrate. N Engl J Med 1981; 305: 50-51 3 Schimpf K, Rothmann P. In vitro- und in vivo-Vergleich von Faktor- VIII-Konzentraten. Blut 1981; 42: 129-130 4 Austen DE G, Rhymes IR, Rizza CR. Factor VIII concentrates: what the label says. Lancet 1981; 2: 1167