here we consider all finite non-abelian 2-generator $p$-groups ($p$ an odd prime) of nilpotency class two and study the probability of having $n^{th}$-roots of them. also we find integers $n$ for which, these groups are $n$-central.

background: the current study was designed to compare the complications and adverse eff ects of central venous catheter (cvc) insertion under ultrasound guidance in patients with and without coagulopathy. materials and methods: in this clinical trial,59 patients who needed cvc for various reasons were enrolled. patients were divided into two groups of those with and without coagulopathy based o...

The new paradigm in monetary policymaking gives accent to central banks‘ Independence. It is widely accepted that in modern monetary policymaking, central banks have three key goals: price stability, output stability and financial stability. Recent studies on central bank independence mainly investigate the effects of central bank independence on economic stability. But the effectiveness of cen...

abstract objective: obesity is related to anemia which is explained its mechanism as disorder in iron absorption but the more rational reason is anemia of inflammation or anemia of chronic disease. the aim of this study was to define the prevalence of obesity in patients with normochromic normocytic anemia. materials and methods: we screened 406 patients who were referred to endocrine clinic. t...

lumbar puncture is one of the most common methods for assessment of central nervous system. allen is illustrating the role of nurses in relation to probable fears about this technique. question: what is lumbar puncture? answer: this technique is proper method that one needle and trocar enter to subarachnoid space in lumbar spine. this method is most common diagnostic test for central nervous sy...

conclusions post-vaccination encephalomyelitis is a very rare side effect of mencevax acwy. introduction post-vaccination encephalomyelitis is an inflammatory disorder of the central nervous system. it is triggered by certain vaccines. the diagnosis of post-vaccination encephalomyelitis depends on the close temporal relationship between vaccination and clinical presentation. case presentation w...

purpose: to assess the agreement of ultrasonic pachymetry, the galilei dual scheimpflug analyzer and orbscan ii in measuring central corneal thickness (cct) in normal and keratoconic eyes. methods: in this prospective comparative study, cct was measured in 88 refractive surgery candidates and 76 (39 right) eyes of 45 keratoconic patients using ultrasonic pachymetry, galilei and orbscanii. readi...

background: diabetes mellitus is associated with cognitive deficits in humans and animals. these deficits are paralleled by neurophysiological and structural changes in brain. in diabetic animals, impairments of spatial learning, memory, and cognition occur in association with distinct changes in hippocampus, a key brain area for many forms of learning and memory and are particularly sensitive ...

central retinal vein occlusion (crvo) is the third most common blinding vascular retinal disorder. as there is no proven treatment for crvo, we performed this study to evaluate the effectiveness of radial optic neurotomy (ron) on visual acuity in eyes with crvo. this study was designed as an interventional case series. pars plana vitrectomy with ron was performed in 18 eyes of 16 patients with ...