title: aortic valves from patient 4, calcified
attributes.tag: source_name
attributes.value: aortic valves
attributes.tag: tissue
attributes.value: aortic valves
attributes.tag: tissue type
attributes.value: Calcified valves collected from patients undergoing surgical replacement for clinically diagnosed CAVD
attributes.tag: geo_loc_name
attributes.value: missing
attributes.tag: collection_date
attributes.value: missing