Zollner, Ursula and Dietl, Johannes. "Perinatal risks after IVF and ICSI" Journal of Perinatal Medicine, vol. 41, no. 1, 2013, pp. 17-22. https://doi.org/10.1515/jpm-2012-0097
Zollner, U. & Dietl, J. (2013). Perinatal risks after IVF and ICSI. Journal of Perinatal Medicine, 41(1), 17-22. https://doi.org/10.1515/jpm-2012-0097
Zollner, U. and Dietl, J. (2013) Perinatal risks after IVF and ICSI. Journal of Perinatal Medicine, Vol. 41 (Issue 1), pp. 17-22. https://doi.org/10.1515/jpm-2012-0097
Zollner, Ursula and Dietl, Johannes. "Perinatal risks after IVF and ICSI" Journal of Perinatal Medicine 41, no. 1 (2013): 17-22. https://doi.org/10.1515/jpm-2012-0097