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pro vyhledávání: '"D. L. Fredrick"'
Autor:
H. C. Peachey, K. A. Cooper, D. P. Winstel, J. D. Harder, D. H. Clawson, T. J. Spellmire, G. A. Lodge, D. L. Fredrick
Publikováno v:
Zoo Biology. 9:297-306
Testosterone concentrations in serum samples collected weekly over a 5-year period from a young adult male Asian elephant (Elephas maximus) and a young adult male African forest elephant (Loxodonta africana cyclotis) were measured by radioimmunoassay