_:vb50948271 . _:vb50948271 "url:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6146013/"^^ . _:vb50948271 . _:vb50948271 . _:vb50948271 . _:vb50948271 "A connective tissue disease that is located_in cartilage."^^ .