PRELIMINARY INVESTIGATIONS OF THE EFFECT OF DIFFERENT DOSES GNRH (GONODDOTROPHIN RELEAZING HORMON) AND BOVINE LH (LISTERIZING HORMON) ON PLASMA LH AND TESTOSTERONE CONCENTRATIONS IN MALE DOGS = PENELITIAN PENDAHULUAN PEN - Perpustakaan UGM, i-lib ([Yogyakarta] : Universitas Gadjah Mada, 2002)