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Theriogenology|March 1, 1997
In vitro fertilization of porcine oocytes with fresh and frozen-thawed ejaculated or frozen-thawed epididymal semen obtained from identical boarsD Rath, H NiemannDTW. Deutsche Tierarztliche Wochenschrift|August 1, 1996
[In vitro production of swine embryos]D Rath, H NiemannTheriogenology|September 1, 1995
In vitro maturation of porcine oocytes in follicular fluid with subsequent effects on fertilization and embyo yield in vitroD Rath, H Niemann, T TaoReproduction in Domestic Animals = Zuchthygiene|March 26, 2003
Advances in biotechnology: new tools in future pig production for agriculture and biomedicineH Niemann, D Rath, C WrenzyckiJournal of Reproduction and Fertility|November 1, 1994
Differences in pronucleus formation and first cleavage following in vitro fertilization between pig oocytes matured in vivo and in vitroJ Laurincik, D Rath, H NiemannTheriogenology|April 1, 1995
In vitro development to blastocysts of early porcine embryos produced in vivo or in vitroD Rath, H Niemann, C R TorresTierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere|December 19, 1998
[Thyroid hormones in Old German Black Pied- and Holstein-Friesian suckling calves. Effects of parturition and postpartum adaptation]W Grünberg, M Steinhardt, D Rath, et al.Theriogenology|February 1, 1995
Collection of oocytes from cattle via follicular aspiration aided by ultrasound with or without gonadotropin pretreatment and in different reproductive stagesL Bungartz, A Lucas-Hahn, D Rath, et al.Theriogenology|January 1, 1994
Successful gamete intrafallopian transfer (GIFT) in the porcineD Rath, L A Johnson, G R Welch, et al.Pageof 49