TY - GEN AU - VAN CREVELD,S AU - PAULSSEN,M M P TI - Haemorrhagic diathesis due to absence of Christmas factor SN - 0140-6736 PY - 2003///0501 KW - Factor IX KW - Hemorrhagic Disorders N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0140-6736(53)91952-7 ER -