abstract background:  primary dysmenorrhea is a prevalent problem and its effects decrease the quality of life in many women across the world. due to the side-effects of synthetic drugs, there is an increasing trend toward herbal medicine. the aim of this study was to research the effect of teucrium polium compared to placebo on the pain duration of dysmenorrhea.   materials and methods: this t...

we have already shown that low intensity pulsed ultrasonic treatment increases rabbit radial fracture healing. the present experiment was undertaken to find out the best duration for treatment. a complete transverse fracture was made in the right radial bones of21 adult male rabbits by a stanley knife. the animals were divided into 4 groups: group 1, control groups 2, 3, and 4, experimental gro...