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.
Gürtler, Nicolas; Gysin, Claudine; Schmid, Nevenka; Pieren, Claudia; Vischer, Mattheus; Schumacher, Stefan; Oppermann, Peter; Leuba, Daniel; Veraguth, Dorothée (2017). Bilateral congenital deafness: What investigations should be performed? Swiss Medical Weekly, 147:w14416.