J. Veselovský
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      Effect of Tryptophan Administration of Melatonin Concentrations in the Pineal Gland, Plasma and Gastrointestinal Tract of Chickens
      I. Herichová, M. Zeman, J. Veselovský 1998, Vol. 67, Issue 2, pp. 89-95
I. Herichová, M. Zeman, J. Veselovský