| Hildebrandt, T.B.; Hermes, R.; Walzer, C.; Sos, E.; Molnar, V.; Mezosi, L.; Schnorrenberg, A.; Silinski, S.; Streich, J.; Schwarzenberger, F.; Goeritz, F., 2007. Artificial insemination in the anoestrous and the postpartum white rhinoceros using GnRH analogue to induce ovulation. Theriogenology 67: 1473-1484, figs. 1-4, tabs. 1-2
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