the misconception (shubha) of absolute nonexistent – which we have named as paradox – is not an amusing brainteaser; rather, it is one the significant epistemological issues. its importance can be looked upon from two different viewpoints: research and educational. it is significant from the research viewpoint because it challenges propositions which constitute the foundation of our thinking an...

primary cardiac lymphoma is a rare disease which mainly found in elderly men. it is usually a b-cell non-hodgkin’s lymphoma which primarily located in the heart and may involve the pericardium. the common presentations include massive pericardial effusion and heart failure. clinical diagnosis is often delayed in these patients and prognosis is dismal. we report a case of a 70-year-old man prese...

‎let $r$ be a domain with quotiont field $k$‎, ‎and‎ ‎let $n$ be a submodule of an $r$-module $m$‎. ‎we say that $n$ is‎ ‎powerful (strongly primary) if $x,yin k$ and‎ ‎$xymsubseteq n$‎, ‎then $xin r$ or $yin r$ ($xmsubseteq n$‎ ‎or $y^nmsubseteq n$ for some $ngeq1$)‎. ‎we show that a submodule‎ ‎with either of these properties is comparable to every prime‎ ‎submodule of $m$‎, ‎also we show tha...

background essential primary health care is delivered through the public health center phc network by public health workers (behvarzs). health workers are exposed to different types of stresses while working. objectives the aim of this study is to determine the prevalence of burnout and associated factors among rural health workers in the health centers of birjand university of medical sciences...

background: primary axillary hyperhidrosis (pah) is a common condition with a great impact on the patient’s quality of life (qol). it is associated with serious social, emotional, and occupational distress. the aim of this study was to investigate the qol in patients with pah before and after treatment with fractionated microneedle radiofrequency (fmr). materials and methods: we evaluated 25 pa...

conclusions the overall infestation rate in the present study is probably one of the lowest infestation rates in iran and in the region. it appears necessary to examine pupils by trained persons for early detection of infestation. results according to the obtained results, pediculosis spp. prevalence was 2% among male and female students of khorramshahr primary schools; it was 2.6% in females a...

two-hundred and seventeen subjects underwent transvaginal ultrasound -17 (8%) had unilateral polycystic ovary (pco). twelve percent of subjects with unilateral scan-pea had oligomenorrhea, 24% were amenorrheic, 23% were hirsute and 29% had acne. biochemical parameters were compared between subjects with unilateral scan- pco and those with bilateral scan- pco (n=200) as well as a group of scan-n...

Since 1943, fourteen cases of primary leiomyosarcoma of the ureter have been reported in English literature. The fifteenth case is presented here with a brief review of the significant aspects of the previous reports.