A bone remodeling disease that results in an abnormal decrease of bone density or mass. [ url:https://www.ncbi.nlm.nih.gov/pubmed/11277085 http://purl.obolibrary.org/obo/ECO_0007645 url:http://en.wikipedia.org/wiki/Bone_resorption http://purl.obolibrary.org/obo/ECO_0007638 ]
This is just here as a test because I lose it