background: mobile phones, use electromagnetic radiation in the microwave range. on the other hand, there is only one report on radioprotective effects of flaxseed oil. the aim of this study was to investigate the effect of irradiation of rats with microwaves and/or treatment with flaxseed oil on the induction of adaptive response to a subsequent lethal dose (ld) of gamma rays. materials and me...

background:the present study compared the differences between survivals of patients with colorectal cancer according to their ethnicity adjusted for other predictors of survival. methods: in this prospective cohort study patients were followed up from definite diagnosis of colorectal cancer to death. totally, 2431 person-year follow-ups were undertaken for 1127 colorectal cancer patients once e...

background: this study aimed to assess the incidence and survival rates of neonates weighing less than 2500g for duration of the first 28 days in an iranian community. methods: in this prospective longitudinal study, all neonates with birth weight less than 2500g were selected from the list of all neonates born in the only public-sector referral hospital, for a six months period. the weight of ...

abstract nymphal survival and crawlers movement of bemisia tabaci (homoptera: aleyrodidae) on different varieties of cotton, gossypium hirsutum, was studied on 5 different varieties including, varamin, kucker-312, bulgar-557, sahel-80, and native (red leaf/red boll) at 24±2 °c, 65±5% rh, 16:8 (l: d) photoperiod in the greenhouse condition. crawlers' movement was significantly different on the v...

background opium addiction is a major issue amongst burn-patients in iran. a few studies have addressed interactions between burn and addiction. objectives the aim of the present study was to compare mortality and morbidity between addicted and non-addicted patients with burn injuries. patients and methods this research was a prospective paired matched-cohort study that was conducted from octob...

background and objectives: presence of steroid hormone receptors (estrogen and progesterone) in the tumor tissues of various organs correlates with response to therapy and prognosis. since their role in ovarian cancer is still controversial, in this study we investigated the expression and prognostic value of the estrogen receptor (er) and progesterone receptors (pr) in ovarian papillary serous...

background and purpose: leukemia is the most prevalent type of cancer in children and its prognostic factors vary in different geographic locations. the aim of this study was to estimate the 5 years survival rate of children suffering from leukemia in kerman, iran and to investigate the factors which might influence it. materials and methods: this was a cohort study conducted on patients with a...

background: the incidence of restenosis in patients suffering from coronary artery disease after undergoing angioplasty is of paramount importance. accordingly, this study aimed to investigate factors affecting the time of the first incidence of restenosis in patients undergone angioplasty in the city of zanjan, iran.   methods: this retrospective cohort study was conducted on 421 patients who ...

conclusions in this study, sick sinus syndrome and pacemaker mode followed by syncope were independently associated with increased mortality. results survival data were available for 1030 (80%) patients (median age = 71 years [5th to 95th percentile range: 26 - 86 years]) and follow-up was completed for 84.28% of them. according to the results, 56% of the patients had received dual-chamber syst...

advances in nephrology and pediatric urology have increased the number of children who survive renal disease and become candidates for renal transplantation. ten years of experience in pediatric renal transplantation are reviewed to determine the rates of patient morbidity and graft survival. of the 450 renal transplantations performed in imam reza hospital (1989- 1999), fifty-one were done on ...