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In this paper, an asset positioning method is proposed. The proposed method combines Wi-Fi fingerprinting and Bluetooth low energy (BLE) trilateration positioning methods. Firstly, the Wi-Fi fingerprinting method estimates the rough position of asset in a large building, provided by mobile device user. Then, when the user approaches the asset, the exact position of asset is estimated by the BLE trilateration...
Second branchial cleft cysts are almost always located in the neck; thus, their presence in the nasopharynx is extremely rare. A 44-year-old man was referred to our department because a cystic mass was fortuitously found in the right lateral nasopharyngeal wall during transnasal esophagogastroscopy. He had suffered from intermittent right-sided nasal obstruction since childhood. T1- and T2-weighted...
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