PT - JOURNAL ARTICLE ED - , TI - Replacing the haemophilia gene AID - 10.1136/archdischild-2018-314749 DP - 2018 Jan 09 TA - Archives of Disease in Childhood PG - archdischild-2018-314749 4099 - http://adc.bmj.com/content/early/2018/01/09/archdischild-2018-314749.short 4100 - http://adc.bmj.com/content/early/2018/01/09/archdischild-2018-314749.full