Owren PA (April 1947). "Parahaemophilia; haemorrhagic diathesis due to absence of a previously unknown clotting factor". Lancet. 1 (6449): 446–48. doi:10.1016/S0140-6736(47)91941-7. PMID20293060.
Owren PA (April 1947). "Parahaemophilia; haemorrhagic diathesis due to absence of a previously unknown clotting factor". Lancet. 1 (6449): 446–48. doi:10.1016/S0140-6736(47)91941-7. PMID20293060.