OSO subdiscipline values
The values of sdCode and sdExpansion elements allowed in the OSO subject is a subset of the UPSO list.
//OSOsubdiscipline
Subdisciplines that are not used for OSO content are indicated on the UPSO lists.
The values of sdCode and sdExpansion elements allowed in the OSO subject is a subset of the UPSO list.
//OSOsubdiscipline
Subdisciplines that are not used for OSO content are indicated on the UPSO lists.