introduction: in single photon emission computed tomography (spect), the projection data used for image reconstruction are distorted by several factors, including attenuation and scattering of gamma rays, collimator structure, data acquisition method, organ motion, and washout of radiopharmaceuticals. all these make reconstruction of a quantitative spect image very difficult. simulation of a sp...

abstract background: cancer has significant traumatic effects on the family members of the patients, particularly in asia’s tightly knitted families. research evidence suggests a debilitating impact of cancer on the quality of life of the afflicted individuals, their spouses, and their families. since a few studies have been carried out on the quality of life of adolescents living with parents ...

introduction: a large number of software programs have been used in dentistry for diagnosis and treatment planning to date. however, due to promotion of programming languages and developments in dental sciences, it is necessary to develop and update these softwares. use of softwares for treatment planning for removable partial dentures has been popular for some time and always new softwares hav...

context hepatitis b virus expanded program on immunization (epi) started on 1993 in iran. most surveys have assessed the level of response to vaccine by measuring the titers of anti-hbs. this meta- analysis aimed to summarize the iranian published data on the rate of vaccine-responders versus non-responders. moreover, the impact of variables such as age, gender, type of vaccine, etc. on the lev...

introduction: the current study evaluated the value of red blood cell (rbc) indices and the corresponding cut- off points for β-thalassemia control programs in iran. materials and methods: 1,150 individuals (575 couples) with low rbc indices and normal hemoglobin a2 who had been referred to the genetic centre of isfahan, were tested during pre-marital screening analyses, in the 2 year period, 2...

background: pregnant women are sometimes exposed to ionizing radiation in radiology examinations for various reasons. in such cases, the radiation dose to the conceptus and subsequent risks should be estimated. objective: the purpose of this study was the calculation and presentation of fetal dose and subsequent risks resulted from different x-ray examinations. materials and methods: an analyti...

conclusions de-stress training program significantly decreased the stress of mothers with show paced children, and the training effect was persistent. results data presented a significant difference between the control and experiment groups. also, results did not show a significant difference between the post-test and follow up. it means that the effect of training was persistent. background ha...

introduction: the purpose of this study was comparison of three different methods of presenting tv programs and their impacts on receptive language of deaf people in two stages of consideration in isfahanian population. (1- providing program by sign language and lip reading method; presented by a deaf interpreter 2- providing program by lip reading method; presented by a tv broadcaster 3- provi...

Background Adolescence is the period of transition from childhood to adulthood and is one of the fastest stages of human development which is simultaneous to start of puberty. This study aimed to investigate the puberty health status among adolescent girls through a model- based educational program. Materials and Methods The current study was an interventional quasi-experimental research. It wa...