SPARQL | HTML5 RDFa and Microdata document
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http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://vocabularies.wikipathways.org/gpml#Comment
http://purl.org/dc/terms/isPartOf
http://rdf.wikipathways.org/Pathway/WP4216_r135166/State/e53dc
http://vocabularies.wikipathways.org/gpml#commentText
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http://rdf.wikipathways.org/Pathway/WP4216_r135166/State/e53dc
http://vocabularies.wikipathways.org/gpml#hasComment
http://rdf.wikipathways.org/Pathway/WP4216_r135166/Comment/dbd9e3adc7567aaa187187cfab33f8a0