Disappearance of factor VIILC antibodies in patients with haemophilia A upon frequent administration of FVIII in intermediate or low dose - van Leeuwen, E F; Mauser-Bunschoten, E P; van Dijken, P J; Kok, A J; Sjamsoedin-Visser, E JM; Sixma, J J (Br J Haematol, 1986)