General consensus has evolved to the opinion that presbyesophagus in its original meaning does not exist but that these changes were largely a consequence of the comorbidities common in older age. Presbyphagia refers to characteristic changes in the mechanism of oropharyngeal/esophageal swallowing of ...
www.nature.com/scientificreports OPEN received: 16 August 2016 accepted: 10 February 2017 Published: 20 March 2017 On the determination of χ(2) in thin films: a comparison of one- beam second-harmonic generation measurement methodologies Artur Hermans1,2,*, Clemens Kieninger3,4,*, Kalle...