<http://www.biopax.org/release/biopax-level2.owl#XREF> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
<http://www.biopax.org/release/biopax-level2.owl#XREF> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
<http://www.biopax.org/release/biopax-level2.owl#XREF> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#ObjectProperty> .
<http://www.biopax.org/release/biopax-level2.owl#XREF> <http://www.w3.org/2000/01/rdf-schema#comment> "Values of this property define external cross-references from this entity to entities in external databases."@en .
<http://www.biopax.org/release/biopax-level2.owl#XREF> <http://www.w3.org/2000/01/rdf-schema#comment> "Values of this property define external cross-references from this entity to entities in external databases."@en .
<http://www.biopax.org/release/biopax-level2.owl#XREF> <http://www.w3.org/2000/01/rdf-schema#comment> "Values of this property define external cross-references from this entity to entities in external databases."@en .
<http://www.biopax.org/release/biopax-level2.owl#XREF> <http://www.w3.org/2000/01/rdf-schema#range> <http://www.biopax.org/release/biopax-level2.owl#xref> .
<http://www.biopax.org/release/biopax-level2.owl#XREF> <http://www.w3.org/2000/01/rdf-schema#range> <http://www.biopax.org/release/biopax-level2.owl#xref> .
<http://www.biopax.org/release/biopax-level2.owl#XREF> <http://www.w3.org/2000/01/rdf-schema#range> <http://www.biopax.org/release/biopax-level2.owl#xref> .