New horizons for in vitro spermatogenesis? An update on novel three-dimensional culture systems as tools for meiotic and post-meiotic differentiation of testicular germ cells von Stukenborg, Jan-Bernd, Schlatt, Stefan, Simoni, Manuela, Yeung, Ching-Hei, Elhija, Mahmoud Abu, Luetjens, Craig Marc, Huleihel, Mahmoud, Wistuba, Joachim

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Elevated follicle-stimulating hormone levels and the chances for azoospermic men to become fathers after retrieval of elongated spermatids from cryopreserved testicular tissue von Zitzmann, Michael, Nordhoff, Verena, von Schönfeld, Victoria, Nordsiek-Mengede, Annette, Kliesch, Sabine, Schüring, Andreas N., Luetjens, Craig Marc, Kamischke, Axel, Cooper, Trevor, Simoni, Manuela, Nieschlag, Eberhard

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Changes in endocrine profile and reproductive organs during puberty in the male marmoset monkey (Callithrix jacchus) von Chandolia, Ramesh K, Luetjens, Craig Marc, Wistuba, Joachim, Yeung, Ching-Hei, Nieschlag, Eberhard, Simoni, Manuela

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Non-random chromosome positioning in human sperm and sex chromosome anomalies following intracytoplasmic sperm injection von Luetjens, Craig Marc, Payne, Christopher, Schatten, Gerald

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Dynamic changes of the microtubule system corresponding to the unequal and spiral cleavage modes in the embryo of the zebra mussel, Dreissena polymorpha (Mollusca, Bivalvia) von Luetjens, Craig Marc, Dorresteijn, Adriaan W.C.

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The fate of paternal mitochondria in marmoset pre-implantation embryos von Luetjens, C.M., Wesselmann, R.

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The site of fertilisation determines dorsoventral polarity but not chirality in the zebra mussel embryo von Luetjens, Craig Marc, Dorresteijn, Adriaan W.C.

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Physiologie der Hodenfunktion von Weinbauer, Gerhard F., Luetjens, Craig Marc, Simoni, Manuela, Nieschlag, Eberhard

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