Purde, M.-T., Baumann, M., Wiedemann, U., Nydegger, U., Risch, L., Surbek, D. and Risch, M. 2015. Incidence of preeclampsia in pregnant Swiss women. Swiss Medical Weekly. 145, 3132 (Jul. 2015), w14175. DOI:https://doi.org/10.4414/smw.2015.14175.