Schaer, B., Hitz, L., Sticherling, C., Kühne, M., Dickenmann, M., Jordaens, L., Osswald, S. and Theuns, D. (2013) “Changes in renal function over time in patients with cardiac resynchronisation therapy”, Swiss Medical Weekly, 143(4344), p. w13863. doi: 10.4414/smw.2013.13863.