@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_book_	skos:broader	isac:depth_study_ .
isac:_question_	skos:broader	isac:depth_study_ .
isac:_anatomy_	skos:broader	isac:depth_study_ .