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We evaluated the upper oesophageal sphincter (UOS) relationship with oesophageal body during primary peristalsis (PP) sequences in healthy human neonates during maturation and compared with that of healthy adult volunteers. Forty-nine studies were performed using a water perfusion manometry system and a specially designed oesophageal catheter with a UOS(More)
Along with the development of the Fiber-to-the-Home (FTTH) networks, the Passive Optical Network (PON) is largely studied. PON technology is known as optical access network technology that uses fiber optic and passive devices to connect service providers and end users. Some models for deploying PON have been proposed. In this paper we focus on mesh and star(More)
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