b2boptic → items → item → pair → patient

values	description
MALE	male
FEMALE	female
DIVERS	divers

<xs:simpleType name="Gender">
  <xs:restriction base="xs:string">
    <xs:enumeration value="MALE" />
    <xs:enumeration value="FEMALE" />
    <xs:enumeration value="DIVERS" />
  </xs:restriction>
</xs:simpleType>