ALTINSAAT, Çiğdem;ÜNER, Aykut Göktürk;SULU, Nesrin;ERGÜN, Ahmet2019-04-182019-04-181300-0861http://hdl.handle.net/20.500.12575/59350https://doi.org/10.1501/Vetfak_0000002186Seasonal variations in serum concentrations of melatonin, testosterone, and progesterone in Arabian horse1924