Intersection of http://smart.who.int/hiv/ValueSet/HIV.E.DE6 and http://smart.who.int/hiv/ValueSet/HIV.E.DE6
This is the ValueSet that contains codes in both Source of gestational age ValueSet (http://smart.who.int/hiv/ValueSet/HIV.E.DE6) and Source of gestational age ValueSet (http://smart.who.int/hiv/ValueSet/HIV.E.DE6).