Wunder, D., E.-M. Neurohr, M. Faouzi, and M. Birkhäuser. “Origin and Outcome of Multiple Pregnancies in Bern, Switzerland, 1995–2006 and the Current Proposal of the Swiss Parliament to Revise the Swiss Law of Reproductive Medicine: Switzerland quo vadis?”. Swiss Medical Weekly, vol. 143, no. 3738, Sept. 2013, p. w13864, doi:10.4414/smw.2013.13864.