Gürtler, N., Gysin, C., Schmid, N., Pieren, C., Vischer, M., Schumacher, S., Oppermann, P., Leuba, D. and Veraguth, D. 2017. Bilateral congenital deafness: what investigations should be performed? A qualitative descriptive review. Swiss Medical Weekly. 147, 0910 (Mar. 2017), w14416. DOI:https://doi.org/10.4414/smw.2017.14416.