@article{Andersen2008, author = {Andersen, A.N. and Goossens, V. and Ferraretti, A.P. and Bhattacharya, S. and Felberbaum, R. and Mouzon, J. and Nygren, K.G. and EIM Consortium and ESHRE}, title= {Assisted reproductive technology in Europe, 2004. Results generated from European registers by ESHRE}, year = {2008}, doi = {10.1093/humrep/den014}, journal = {Human Reproduction}, volume = {23}, number = {4}, pages = {756--771}, }