Authors: Henkel, R Muller, C Stalf, T Schill, WB Franken, DR

Citation: R. Henkel et al., Use of failed-fertilized oocytes for diagnostic zona binding purposes after sperm binding improvement with a modified medium, J AS REPROD, 16(1), 1999, pp. 24-29

Authors: Stalf, T Herrero, J Turley, H Hinz, V Muller, B Blank, T Henkel, R Schill, WB Gips, H

Citation: T. Stalf et al., Different cumulative pregnancy rates in patients with repeated IVF- or ICSI cycles: possible influence of a male factor, ANDROLOGIA, 31(3), 1999, pp. 149-156