<http://purl.obolibrary.org/obo/RO_0002550>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#AnnotationProperty> .
<http://purl.obolibrary.org/obo/RO_0002550>	<http://www.w3.org/2000/01/rdf-schema#subPropertyOf>	<http://purl.obolibrary.org/obo/RO_0002538> .
<http://purl.obolibrary.org/obo/RO_0002550>	<http://www.w3.org/2000/01/rdf-schema#label>	"end, weeks post birth" .