Paper titled The Incidence of Jaundice and Antibodies in Patients in the United Kingdom a Six Year Survey by Dr R Biggs. Sections include the total number of patients treated at the centres the amounts and varieties of factor VIII used at the centres making returns the supply equated to the need the incidence of jaundice in patients having haemophilia the occurrence of factor VIII antibodies in haemophilic patients Christmas disease patients followed by a discussion. Includes related information in eight tables two graphs and a survey.