Internal carotid artery stenosis or occlusion
lower extremity arterial stenosis or occlusion
Middle cerebral artery stenosis or occlusion
Moderate or severe acute pain
moderate or severe periodontitis
arteries stenosis or obstruction
Esophagus stenosis or obstruction
stenosis or obstruction
Veins stenosis or obstruction
arterio-venous narrowing or occlusion
urethral stricture or occlusion
Severe type severe acute respiratory syndrome
upper stenosis and lower stenosis
business enterprise [or entity or unit]