نتایج جستجو برای: rare population
تعداد نتایج: 918550 فیلتر نتایج به سال:
Testicular torsion is a well-known urological emergency most common in the paediatric population; however, testicular not all-or-none phenomenon and can be of complete or partial intermittent types. Intermittent rare misdiagnosed even population. adults less reported may considered differential diagnosis acute pain, leading to misdiagnosis.
Motivation: A major focus of current sequencing studies for human genetics is to identify rare variants associated with complex diseases. Aside from reduced power of detecting associated rare variants, controlling for population stratification is particularly challenging for rare variants. Transmission/disequilibrium tests (TDT) based on family designs are robust to population stratification an...
Malignant tumors of pediatric hand are very rare. This case report describes an epithelioid sarcoma at the finger of an 11 year old girl and discusses general treatment options in this rare patient population.
Transfusion management of patients' alloimmunized against high-prevalence erythrocyte antigens is often problematic in emergency situations. Gerbich (Ge) is very common blood group system and Gerbich-2 (Ge-2) antigen present in high frequency and outside Papua New Guinea population, Ge-2 negative population almost nil. To manage such kind of problems with real emergencies, implementation of rar...
MOTIVATION A major focus of current sequencing studies for human genetics is to identify rare variants associated with complex diseases. Aside from reduced power of detecting associated rare variants, controlling for population stratification is particularly challenging for rare variants. Transmission/disequilibrium tests (TDT) based on family designs are robust to population stratification and...
the present work concerns on the investigation of the role of polyethylene glycols (pegs) as masking agent for amelioration of extraction-separation of la(iii), eu(iii) and er(iii) ions by the acidic extractant bis(2-ethylhexyl)phosphoric acid (dehpa). the studied solvent extraction system is based on the combination of chelating effect of dehpa in the organic phase on the one hand, and the bin...
rare bleeding disorders (rbds) are a heterogeneous group of disorders including different types of coagulation factor deficiencies. the disorders are inherited in an autosomal recessive manner with different frequencies varying from 1:500000 to 1:2000000. patients affected with rbds are presented with a wide spectrum of clinical manifestations ranging from mild to life threatening bleeding diat...
the solvent extraction of rare earth metal ions from nitrate solutions by 5.11.17.23-tetra-tert-butyl-25,27-bis(diethylcarbamoylmethoxy)-26,28-dihydroxycalix[4]arene (l) in 1,2-dichloroethane has been investigated. the alalysis of the extraction equilibrium obtained from a mixture of la3+, eu3+, er3+ and y3+ revealed that the extracted species have a 1:1 metal/ligand ratio. the intra-group sepa...
the effect of rare earth (re) elements, including ce and la, on the sorption properties of zr-co getters was investigated in this work. the phase evolution, microstructural characteristics of getter powders were studied by means of x-ray diffraction method, scanning electron microscopy (sem) and energy dispersive x-ray spectroscopy (eds). the nanostructured zr3co intermetallic compound has been...
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