abstract background leukemia is the most prevalent childhood cancer and acute lymphoblastic leukemia (all) constitutes 75% of all cases. the most frequent presenting symptoms are fever, weight loss and pallor. early detection of clinical symptoms positively affects timely diagnosis. the objectives of the present study were to assess frequency of presenting symptoms, laboratory data, immune phen...

healthy eating and physical activity habits formed during childhood can persist into adulthood and prevent or delay premature onset of a number of chronic diseases. the aim of this study was patterns of physical activity and dietary habit in relation to weight status in adolescent girls. in a cross sectional study, using two stage cluster sampling 256 adolescent girls were randomly selected fro...

response surface methodology (rsm) was used in order to find the suitable conditions of ultrasonic treatment for achieving the maximum inactivation rate and anthocynins content during ultrasonic processing of red grape juice. temperature in 3 levels (25 - 37.5 - 50°c), time in (20 – 30 - 40 minutes) and frequency (0 - 67.5 – 135 khz) were parameters which effects were studied. experiments were ...

Background: There is a high prevalence of  occupational injuries due to accidents in construction industries which affect human health. Therefore, the exploration and analysis of contributing factors of such accidents can lead to their prevention and the reduction of their consequences. This study was conducted with the aim to identify factors related to occup...

background: in order to select a better antibiotic choice for treatment of pseudomonas aeruginosa infections, this study was conducted to determine the frequency of resistance to some antipseudomonal β-lactams in p. aeruginosa isolates from patients in tehran, iran. in addition, the relation between presence of genes known to be responsible for resistance to β-lactams (ampc, mexc1,2,and mexc3,4...