Measurement Method Ontology Hearing Impairment Ontology Source
http://webprotege.stanford.edu/RC24cXcDnaOLZSDybtNrxz9 http://purl.obolibrary.org/obo/MMO_0000509 LOOM
http://purl.obolibrary.org/obo/HIO_0000506 http://purl.obolibrary.org/obo/MMO_0000624 LOOM