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This issue contains one Guideline, Review Article, 12 Original Articles and two Urological Notes. The Committee for the Development of Guidelines Infection Control in Field, including Urinary Tract Management Japanese Association, together with its systematic review team external reviewers, have prepared a set practice guidelines. Takahashi et al. (Sapporo, Japan) created an abridged version th...

Reports on the cover for this issue of publication. In November 2021, The Tech Interactive in San Jose, CA, opened a permanent exhibit, Solve Earth, featuring over dozen experiences that encourage viewer/participants to learn about sustainable living and impacts climate change. Each interactive component exhibit visualizes data specific issue—rising sea levels, emerging technologies, smart ener...

in this research project, the nitrito nitro isomerization of [co (nh3)5no2]f2 complex has been studied. isomerization of this complex in the solid state follows a first order kinetics. the rate of isomerization at different temperatures was determined using a fourier transform lnfrared spectrophotometer. ? and ? are calculated at 298 k. the infrared, visible and ultraviolet spectra of this comp...

in the retrospective investigation titled “risk factors evaluation of threshold retinopathy of prematurity” at a tertiary ophthalmic center in tehran, iran, the authors have studied 859 premature neonates during one year (2008-2009). 791 eyes have had retinopathy of prematurity (rop) and 7.4% of them presented threshold retinopathy (trop). the investigators aim has been to present and compare t...