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The effects of androgenic steroids on the dopamine (DA), noradrenaline (NA) and 5-hydroxytryptamine (5-HT) contents of different brain regions have been studied in order to elucidate the possible involvement of neurotransmitters in the negative feedback action of androgens. Administration of testosterone propionate (TP); (100 micrograms/kg or 5 mg/kg, i.p.)(More)
The effects of different drugs influencing brain neurotransmitter contents have been tested on the pituitary-testicular function in male rats. L-dopa (200 mg/kg body weight, i.p.) increased the dopamine and noradrenaline contents of the hypothalamus, amygdala, striatum and mesencephalon, but it was ineffective as regards the 5-hydroxytryptamine contents of(More)
INTRODUCTION The purposes of this study were to measure the 3-dimensional parameters of the posed smile and to see whether there are any correlations with vertical cephalometric skeletal measurements. METHODS Pretreatment records from a sample of 110 white girls between the ages of 12 and 18 years were gathered. The measurements of SN-GoGn, anterior(More)
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