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Geburtshilfe Und Frauenheilkunde|February 1, 1991
[Has family planning behavior in West Germany changed since 1985?]G Freundl, S Baur, M Bremme, et al.Human Reproduction (Oxford, England)|December 3, 2003
Estimated maximum failure rates of cycle monitors using daily conception probabilities in the menstrual cycleG Freundl, E Godehardt, P A Kern, et al.Advances in Contraception : the Official Journal of the Society for the Advancement of Contraception|June 1, 1997
Natural family planning with and without barrier method use in the fertile phase: efficacy in relation to sexual behavior: a German prospective long-term studyP Frank-Herrmann, G Freundl, C Gnoth, et al.American Journal of Obstetrics and Gynecology|December 1, 1991
Effectiveness and acceptibility of the symptothermal method of natural family planning in GermanyP Frank-Herrmann, G Freundl, S Baur, et al.Archives of Gynecology and Obstetrics|February 11, 2017
Natural conception rates in subfertile couples following fertility awareness trainingP Frank-Herrmann, C Jacobs, E Jenetzky, et al.Human Reproduction (Oxford, England)|February 23, 2007
The effectiveness of a fertility awareness based method to avoid pregnancy in relation to a couple's sexual behaviour during the fertile time: a prospective longitudinal studyP Frank-Herrmann, J Heil, C Gnoth, et al.Fortschritte Der Medizin|August 20, 1995
[The value of intrauterine insemination in fertility treatment]G FreundlZentralblatt Fur Gynakologie|January 1, 1990
[Clinical and endocrinologic aspects of treatment with pure FSH. A report of experiences]M Graf, G FreundlAndrologia|May 1, 1993
Acrosome reaction of spermatozoa with different morphologyE Heywinkel, G Freundl, N HofmannPageof 4