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Doklady Biochemistry and Biophysics - The effects of septoplasty and sinus lifting simulation in rats on changes in the frequency domain of heart rate variability were compared. In the early...  相似文献   
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Molecular masses of cholera bacteriophages 493, 7226 and Eltor II were defined by electron microscopic technique. DNA of these bacteriophages was digested by the restriction endonucleases PstI, BglI, MluI and SalI. The number and molecular masses of the obtained restricts were identified. The physical map of bacteriophage 493 was constructed using three restriction endonucleases. The obtained data can be used for classification and molecular biology research of cholera bacteriophages.  相似文献   
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