PT - JOURNAL ARTICLE AU - Georgina Alice Fremlin AU - Shirin Irani AU - Annette Loffeld TI - It’s not always that simplex AID - 10.1136/archdischild-2017-313749 DP - 2017 Oct 24 TA - Archives of Disease in Childhood PG - archdischild-2017-313749 4099 - http://adc.bmj.com/content/early/2017/10/24/archdischild-2017-313749.short 4100 - http://adc.bmj.com/content/early/2017/10/24/archdischild-2017-313749.full