C. Voide, K. Darling, A. Kenfak-Foguena, V. Erard, M. Cavassini, and C. Lazor-Blanchet, “Underreporting of needlestick and sharps injuries among healthcare workers in a Swiss University Hospital”, Swiss Med Wkly, vol. 142, no. 0506, p. w13523, Jan. 2012.