Jackhammer(hypercontractile) esophagus presents with dysphagia and chest pain. Current treatments are limited. We describe a 60-year-old man who presented with
<正>A Long March 4C launch vehicle launched at Taiyuan Satellite Launch Center successfully, sending the Yaogan 10 satellite into its predetermined orbit on Aug
<正>It was released officially that Tiangong 1 small-scale experimental space station is planned to be launched in 2010. Tiangong 1,consisting of a support modu
Clear visualization of the gastrointestinal mucosal surface is essential for thorough endoscopy. An unobstructed assessment can reduce the need for additional t
<正>On November 1,China successfully launched its 6th Beidou navigation satellite on a LM-3C launch vehicle from Xichang Satellite Launch Center.The satellite,t
<正>The commencement ceremony for the simulation and validation buildings for lunar explorer system was held on November 5.Vice President of CASC Lei Fanpei and