Report of a joint WHO/WFH meeting on the control of haemophilia: carrier detection and prenatal diagnosis - Peake, I R; Lillicrap, D P; Boulyjenkov, V; Briet, E; Chan, V; Ginter, E M; Kraus, E M; Ljung, R; Mannucci, P M; Nicolaides, K; Tuddenham, E GD (Blood Coag Fibrinol, 1993)