title: Sample B
attributes.tag: source_name
attributes.value: inflammatory periapical tissue from patients with common chronic apical periodontitis
attributes.tag: age
attributes.value: 44
attributes.tag: gender
attributes.value: male
attributes.tag: tooth position
attributes.value: Mandible posterior teeth at right
attributes.tag: chief complaint
attributes.value: Felt intermittent pain and uncomfortable more than six months