background the annual risk of tuberculosis (tb) in iran is about 0.5% with annual incidence rate of 23/100000 (16322 cases). different factors have been postulated as tb predisposing factors. several studies have linked smoking with pulmonary tuberculosis as the tb incidence in their adult men was 2.4 times higher than women. in iran, however, this ratio is equal and somewhere the ratio in wome...

introduction: cardiac dysfunctions have been well known in patients with major thalassemia. some studies have focused on differences in blood pressure and heart rate between these patients and normal population, while this view has not been proven in other studies. given the importance of hemodynamic factors in the health of these individuals, we intend to test the hypothesis as to whether or n...