Annual Returns for 1985, by C.R. Rizza and Rosemary J.D. Spooner, 1986. Contains statistics on the number of patients treated during 1985, the amount of factor product used and the severity of the coagulation defect and age. Includes 12 tables with various information about the patient numbers, the occurrence of Factor VIII and IX antibodies, the amount of Factor VIII and Factor IX units used by Haemophilia Centres and the cause of death of patients.