background the induction ofâ  cancers incidence by exogenous agents, such as chemical, radiation and especially research on viruses is an interestedâ  area of active basic subjectsâ  and clinical investigation. prominent researches sounds aâ  high prevalence of hbv marker has been found in patients with leukemia as compared to the general population. methods: presentâ  â study was conducted fro...

BACKGROUND The aim of this study was to determine the association of dental caries and BMI-for-age in preschool children and whether BMI-for-age is similar or different between Severe Early Childhood Caries (S-ECC) and caries free children. MATERIALS AND METHODS Four hundred preschool children aged 30-70 months were entered into this study. The parameters examined in this study were weight, h...

occupational therapy in iran is relatively young-established in 1971-with a fluctuated development due to the iranian revolution in 1979, and eight years war from 1981 to 1989. today, there are ten bachelor programs across the country approved by world federation of occupational therapists (wfot). furthermore, occupational therapists have opportunities for further postgraduate training in both ...

abstract precipitation is an important variable which is used in definition of drought. based on precipitation amounts, some indices are devised for drought monitoring including, the standardized precipitation index (spi) and the standard index of annual precipitation (siap). each of these drought indices are classified into some classes so that each class descripts a given severity of drought....

fauna of the aphidiinae (hymenoptera: braconidae) of iran is reviewed and the data on their host aphid associations are summarized. seventy-eight species belonging to 17 genera of aphidiinae are listed in the associations with 193 aphid species. a total of 491 parasitoid-aphid associations are presented. the distribution of the aphidiinae species in different parts of iran and other countries i...

chromatomyia horticola (goureau) (diptera: agromyzidae) is a highly polyphagous leaf miner that causes severe damage to different crops. sampling on the alysiinae (braconidae) parasitoids of c. horticola was performed at various locations of kermanshah province during 2009–2010. infested leaves of host plants bearing the larvae and puparia of c. horticola were collected and placed inside the pl...

objective: bipolar i disorder is a common disorder with a complex etiology. a genetic approach is gaining increasing importance in this disorder. the dysbindin gene, located at 6p22.3 is considered a susceptibility gene for schizophrenia. certain genotypes of dysbindin are thought to be associated with other psychoses such as bipolar disorders. this study intends to assess the association in pr...

Background & Aim: Low back pain is the most debilitating condition, and can lead to decreased physical function, compromised quality of life, and psychological distress. Several studies have been conducted to recognize the risk factors of low back pain, but despite of strong relationship between obesity and low back pain, the underlying mechanisms are unclear. The aim of this study wa...

Statistical methods for categorical data, such as loglinear models and logistic regression, represent discrete analogs of the analysis of variance and regression methods for continuous response variables. However. while graphical display techniques are common adjuncts to analysis of variance and regression, methods for plotting contingency table data are not as widely used. This paper provides ...