1. Increased breast cancer risk in in vitro fertilisation treated women with a multiple pregnancy: A new hypothesis based on historical in vitro fertilisation treatment data. Issue 1 (January 2015) Authors: Krul, I.M.; Groeneveld, E.; Spaan, M.; van den Belt-Dusebout, A.W.; Mooij, T.M.; Hauptmann, M.; Twisk, J.W.R.; Lambers, M.J.; Hompes, P.G.A.; Burger, C.W.; Lambalk, C.B.; van Leeuwen, F.E.; OMEGA-project group Journal: European journal of cancer Issue: Volume 51:Issue 1(2015:Jan.) Page Start: 112 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗