patients and methods the study was conducted among 40 young rural pregnant women, 12 to 20 years old by implementing a questionnaire during 2012 to 2013 in four villages in southeast of iran. the women were exposed to high-risk factors such as shortage or lack of drinking water, high pressure electric power sources and chemicals released from burning gas both from cooking and cars as a fuel. th...

demographic parameters of the pink stem borer, sesamia creticalederer (lepidoptera: noctuidae) were estimatedon its two main host plants, maize and sugarcane. the present studywas conducted under laboratory conditions at 27±1˚c, 50±10% relative humidity (rh %), and a photoperiod of 0:24 (l:d) hour for the larval stage and 16:8 (l:d) hour for the other life stages. the raw data were analyzed bas...

radiographic evaluation of the third molar tooth to determine its position and degree of development is an important part in diagnosis and treatment planning, as well as in forensic dentistry procedures. the objective was to investigate the developmental stages of third molars in relation to chronologic age, gender and location (maxillary/mandibular) in an iranian population.the data were colle...

despite the care taken to ensure the quality of date collected by enumeration and sampling, the final tabulation will sometimes give obvious indication of errors in basic information. evaluation of these errors furnishes those who use such a study and sampling. more general, the finding in these studies should be helpful to others that conduct surveys. in order to compare the age composition of...

objectives: this study has been carried out to assess the prevalenceof cardiovascular risk factors in the elderly people in amirshahr city. methods & materials: in this descriptive cross- sectional study, 1019 people over 60 years old in amirshahr city were assessed. amirshahr has 2000 elder people over 60 (53.5% male and 46.5% female) .data were collected using standard questionnaire included ...

ahaptoglobinemia is a common phenomenon in tropical countries,where it is probably due to malaria-induced haemolysis. previous studies have suggested that ahaptoglobinemia is more useful than the other parasite detection indexes to estimate the endemicity of malaria. the present study shows the relationship between malaria and haptoglobin, as a genetic marker in balouch population of sistan & b...

the photoanthropometric method was used to study the facial features in 136 iranian children with down syndrome, aged 4 to 14 years. nineteen parameters were investigated and compared to an age related control group of 100 normal iranian children. the obtained measurements were related to reference values in the same faces. the normal range was defined by age related index values between the 20...

low back pain (lbp) is a widespread musculoskeletal disorder worldwide. it causes disability that influence work performance in individuals. the aim of this study was to evaluate the prevalence and risk factors of lbp in the middle-aged office workers in the lebanese population. in this observational, cross-sectional study performed in 2013, overall, 250 office workers aged between 20 and 64 ye...