In risk management, tail risks are of crucial importance. The quality a model, which is determined by data from an unknown distribution, depends critically on the subset used to model tail. Based suitably weighted mean square error, we present method that can separate required subset. selected determine parameters model. Notably, no parameter specifications have be made apply proposed procedure...

objective: it has been shown that silybum marianum or its extracts have hepatoprotective, antioxidant, anticancer, anti-inflammatory and anti-diabetic effects. nitric oxide (no) plays an important role in neurotransmission, neuroprotection, neurotoxicity and pathological pain, as a neurotransmitter or neuromodulator in the central nervous system. therefore, this experiment was performed in orde...

objective(s): in this study, the effects of chronic administration of crocin, an active constituent of saffron, on blood pressures of normotensive and desoxycorticosterone acetate (doca) - salt induced hypertensive rats, were investigated.   materials and methods: five week administration of three doses of crocin (50, 100 and 200 mg/kg/day) and spironolactone (50 mg/kg/day) in different groups ...