%0 Journal Article %T Endothelial dysfunction: comparative evaluation of ultrasound dopplerography, laser dopplerflowmetry and direct monitoring of arterial pressure for conducting pharmacological tests in rats %J - %D 2018 %R https://doi.org/10.3897/rrpharmacology.4.25529 %U https://rrpharmacology.pensoft.net/article/25529/