assertion retraction graph subject predicate object datatype annotation 1 0 graph DOID:853 IAO:0000115 A collagen disease that is characterized by pain, stiffness, and tenderness of the proximal muscle groups including the shoulder, pelvic girdle and the neck. xsd:string "{""oio:hasDbXref"":[{""datatype"":""xsd:string"",""meta"":""owl:Axiom"",""object"":""url:https://medlineplus.gov/polymyalgiarheumatica.html""}]}"