Social support reduces stress hormone levels in wild chimpanzees across stressful events and everyday affiliations von Wittig, Roman M., Crockford, Catherine, Weltring, Anja, Langergraber, Kevin E., Deschner, Tobias, Zuberbühler, Klaus

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Mate competition, testosterone and intersexual relationships in bonobos, Pan paniscus von Surbeck, Martin, Deschner, Tobias, Schubert, Grit, Weltring, Anja, Hohmann, Gottfried

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Social correlates of variation in urinary cortisol in wild male bonobos (Pan paniscus) von Surbeck, Martin, Deschner, Tobias, Weltring, Anja, Hohmann, Gottfried

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Single aggressive interactions increase urinary glucocorticoid levels in wild male chimpanzees von Wittig, Roman M, Crockford, Catherine, Weltring, Anja, Deschner, Tobias, Zuberbühler, Klaus

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Adrenarche in bonobos (Pan paniscus): evidence from ontogenetic changes in urinary dehydroepiandrosterone-sulfate levels von Behringer, Verena, Hohmann, Gottfried, Stevens, Jeroen M G, Weltring, Anja, Deschner, Tobias

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Simultaneous measurement of endogenous steroid hormones and their metabolites with LC–MS/MS in faeces of a New World primate species, Cebus capucinus von Weltring, Anja, Schaebs, Franka S, Perry, Susan E, Deschner, Tobias

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Androgen and androgen metabolite levels in serum and urine of East African chimpanzees ( Pan troglodytes schweinfurthii ): Comparison of EIA and LC–MS analyses von Preis, Anna, Mugisha, Lawrence, Hauser, Barbara, Weltring, Anja, Deschner, Tobias

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Combination of matrix solid-phase dispersion extraction and direct on-line liquid chromatography–nuclear magnetic resonance spectroscopy–tandem mass spectrometry as a new efficient... von Sandvoss, Martin, Weltring, Anja, Preiss, Alfred, Levsen, Karsten, Wuensch, Gerold

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Combination of matrix solid-phase dispersion extraction and direct on-line liquid chromatography–nuclear magnetic resonance spectroscopy–tandem mass spectrometry as a new efficient... von Sandvoss, Martin, Weltring, Anja, Preiss, Alfred, Levsen, Karsten, Wuensch, Gerold

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