5.
Boivin, J., Appelton, T. C., Beatens, P., Baron, J., Bitner, J., Corrigan, E., Daniels, K. R., Darwish, J., Guerra-Diaz, D., Hammar, M., McWhinnie, A., Strauss, B., Thorn, P., Wischmann, T., & Kentenich, H. (2001). Guidelines for counselling in infertility: outline version. Human Reproduction, 16, 1301-1304.