Lambelet, V., Ceulemans, M., Nordeng, H., Favre, G., Horsch, A., Stojanov, M., Winterfeld, U., Baud, D., Panchaud, A. and Pomar, L. (2021) “Impact of the COVID-19 pandemic on Swiss pregnant and breastfeeding women – a cross-sectional study covering the first pandemic wave”, Swiss Medical Weekly, 151(3738), p. w30009. doi: 10.4414/SMW.2021.w30009.