Maintenance work on the ZORA databases is scheduled for Wednesday 22 May 2019 from 20:00-22:00. During this period ZORA and JDB will not be available. Thank you for your understanding.
Pohl, D; Arevalo, F; Singh, E; Freeman, J; Tutuian, R; Castell, D O (2013). Swallowing activity assessed by ambulatory impedance-pH monitoring predicts awake and asleep periods at night. Digestive Diseases and Sciences, 58(4):1049-1053.